APA

Wasserman P. e., . (1982). Learning independently : directory of self instruction resources, programmed learning products, audio and video cassettes, multi-media kits, and conventional learning materials such as books intended for non-formal education. DetroitUS: Gale Research Co.

Chicago

Wasserman Paul ed, . 1982. Learning independently : directory of self instruction resources, programmed learning products, audio and video cassettes, multi-media kits, and conventional learning materials such as books intended for non-formal education. DetroitUS: Gale Research Co.

Harvard

Wasserman P. e., . (1982). Learning independently : directory of self instruction resources, programmed learning products, audio and video cassettes, multi-media kits, and conventional learning materials such as books intended for non-formal education. DetroitUS: Gale Research Co.

MLA

Wasserman Paul ed, . Learning independently : directory of self instruction resources, programmed learning products, audio and video cassettes, multi-media kits, and conventional learning materials such as books intended for non-formal education. DetroitUS: Gale Research Co. 1982.