Evaluation Division, S. (1976). High Yielding Varieties Programme in Kerala (Viruppu paddy 1973-74): An Evaluation Study. SPB.
Chicago Edition CitationEvaluation Division, SPB. High Yielding Varieties Programme in Kerala (Viruppu Paddy 1973-74): An Evaluation Study. Thiruvananthapuram: SPB, 1976.
MLA引文Evaluation Division, SPB. High Yielding Varieties Programme in Kerala (Viruppu Paddy 1973-74): An Evaluation Study. SPB, 1976.
警告:這些引文格式不一定是100%准確.