APA (7e ed.) Bronvermelding

Carpena, A. L., Espino, R. R. C., Rosario, T. L., & Laude, R. P. (1993). Genetics at the population level. SEAMEO Regional Center for Graduate Study and Research in Agriculture, University of the Philippines.

Chicago (17e ed.) Bronvermelding

Carpena, Azucena L., Rene Rafael C. Espino, Teresita L. Rosario, en Rita P. Laude. Genetics at the Population Level. Los Banos, Laguna: SEAMEO Regional Center for Graduate Study and Research in Agriculture, University of the Philippines, 1993.

MLA (9e ed.) Bronvermelding

Carpena, Azucena L., et al. Genetics at the Population Level. SEAMEO Regional Center for Graduate Study and Research in Agriculture, University of the Philippines, 1993.