Cita APA (7a ed.)

Ramos, M. M. (1980). International bibliography on cropping systems 1978. Library and Documentation Center, International Rice Research Institute.

Cita Chicago Style (17a ed.)

Ramos, Mila Medina. International Bibliography on Cropping Systems 1978. Manila: Library and Documentation Center, International Rice Research Institute, 1980.

Cita MLA (9a ed.)

Ramos, Mila Medina. International Bibliography on Cropping Systems 1978. Library and Documentation Center, International Rice Research Institute, 1980.