Gaya APA

De, D. et al (1978). A Handbook On The Methodology For An Intregated Exsperiment-Survey on Rice Yield Constraints . Philippines: The International Rice Research Institute.

Gaya MLA

De, Datta. et al. "A Handbook On The Methodology For An Intregated Exsperiment-Survey on Rice Yield Constraints". Philippines: The International Rice Research Institute, 1978. Text.