Cita APA (7a ed.)

Umali, D. L. (1989). Agricultural technology for small farmers. Manila Bulletin.

Cita Chicago Style (17a ed.)

Umali, Dioscoro L. "Agricultural Technology for Small Farmers." Manila Bulletin 1989.

Cita MLA (9a ed.)

Umali, Dioscoro L. "Agricultural Technology for Small Farmers." Manila Bulletin, 1989.