Parker, H. (1887). Report on the Per-Aru Valley: Irrigation in the Northern Province, Mullaittivu District. George J.A. Skeen, Govt. Printer, Ceylon.
Chicagoスタイル(17版)引用形式Parker, Henry. Report on the Per-Aru Valley: Irrigation in the Northern Province, Mullaittivu District. Colombo: George J.A. Skeen, Govt. Printer, Ceylon, 1887.
MLA(8版)引用形式Parker, Henry. Report on the Per-Aru Valley: Irrigation in the Northern Province, Mullaittivu District. George J.A. Skeen, Govt. Printer, Ceylon, 1887.
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