Cita APA

Jackson, N., & Penn, P. Dictionary of natural resources and their principal uses/2nd ed (2nd ed.).

Chicago Edition Citation

Jackson, Nora, i Philip Penn. Dictionary of Natural Resources and Their Principal Uses/2nd Ed. 2nd ed.

Cita MLA

Jackson, Nora, i Philip Penn. Dictionary of Natural Resources and Their Principal Uses/2nd Ed. 2nd ed.

Atenció: Aquestes cites poden no estar 100% correctes.