APA (7. basım) Alıntı

Semaoen, M. I. Resource productivity on lowland rice farms in the Bicol River Basin, 1975, Philippines, 1979.

Chicago Style (17. basım) Atıf

Semaoen, Mohamad Iksan. Resource Productivity on Lowland Rice Farms in the Bicol River Basin, 1975, Philippines, 1979.

MLA (9th ed.) Atıf

Semaoen, Mohamad Iksan. Resource Productivity on Lowland Rice Farms in the Bicol River Basin, 1975, Philippines, 1979.