De Silva, G. A. C., & Sathasivampillai, K. (1976). Potato-vegetable cultivation in Nuwara Eliya District of Sri Lanka. Govt. Dept. of Agriculture.
Chicagoスタイル(17版)引用形式De Silva, G. A. C., , K. Sathasivampillai. Potato-vegetable Cultivation in Nuwara Eliya District of Sri Lanka. Peradeniya, Sri Lanka.: Govt. Dept. of Agriculture, 1976.
MLA(8版)引用形式De Silva, G. A. C., , K. Sathasivampillai. Potato-vegetable Cultivation in Nuwara Eliya District of Sri Lanka. Govt. Dept. of Agriculture, 1976.
警告: この引用は必ずしも正確ではありません.