APA
Siebeck W. E. e., . (1990). Strengthening protection of intellectual property in developing countries : a survey of literature. Washington, D.C.US: IBRD.
Chicago
Siebeck Wolfgang E ed, . 1990. Strengthening protection of intellectual property in developing countries : a survey of literature. Washington, D.C.US: IBRD.
Harvard
Siebeck W. E. e., . (1990). Strengthening protection of intellectual property in developing countries : a survey of literature. Washington, D.C.US: IBRD.
MLA
Siebeck Wolfgang E ed, . Strengthening protection of intellectual property in developing countries : a survey of literature. Washington, D.C.US: IBRD. 1990.