APA (7th ed.) Zitazioa
ebrary, Inc. (1992). Grasslands and grassland sciences in northern China: A report of the Committee on Scholarly Communication with the People's Republic of China, Office of International Affairs, National Research Council. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Grasslands and Grassland Sciences in Northern China: A Report of the Committee on Scholarly Communication with the People's Republic of China, Office of International Affairs, National Research Council. Washington, D.C.: National Academy Press, 1992.
MLA (9th ed.) Zitazioa
ebrary, Inc. Grasslands and Grassland Sciences in Northern China: A Report of the Committee on Scholarly Communication with the People's Republic of China, Office of International Affairs, National Research Council. National Academy Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.