APA (7e ed.) Bronvermelding

Pryde, P. R. (1969). Natural resource management and conservation in the Soviet Union. University Microfilms International.

Chicago (17e ed.) Bronvermelding

Pryde, Philip Rust. Natural Resource Management and Conservation in the Soviet Union. Ann Arbor: University Microfilms International, 1969.

MLA (9e ed.) Bronvermelding

Pryde, Philip Rust. Natural Resource Management and Conservation in the Soviet Union. University Microfilms International, 1969.