APA aipamena

Hawkes, J. G. (1985). Plant genetic resources: The impact of the international agricultural research centers. World Bank.

Chicago Style aipamena

Hawkes, J. G. Plant Genetic Resources: The Impact of the International Agricultural Research Centers. Washington, D.C.: World Bank, 1985.

MLA aipamena

Hawkes, J. G. Plant Genetic Resources: The Impact of the International Agricultural Research Centers. World Bank, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.