Παραπομπή σε μορφή APA (7η εκδ.)

Abunyawan, J., Atienza, N., & Salisi, M. (1979). Coffee production and marketing: Western Visayas. Special Studies Division, Dept. of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Abunyawan, J.D, N.R Atienza, και M.M Salisi. Coffee Production and Marketing: Western Visayas. Quezon City: Special Studies Division, Dept. of Agriculture, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Abunyawan, J.D, et al. Coffee Production and Marketing: Western Visayas. Special Studies Division, Dept. of Agriculture, 1979.