Westermarck, N. (1957). Finnish agriculture. (2nd ed.). Pellervo Society.
Chicagoスタイル(17版)引用形式Westermarck, Nil's. Finnish Agriculture. 2nd ed. Helsinki: Pellervo Society, 1957.
MLA(9版)引用形式Westermarck, Nil's. Finnish Agriculture. 2nd ed. Pellervo Society, 1957.
警告: この引用は必ずしも正確ではありません.