Sandahl, B. (1975). Seasonal and secular trends in reproductive wastage in Sweden. s.n.].
Chicagoスタイル(17版)引用形式Sandahl, Björn. Seasonal and Secular Trends in Reproductive Wastage in Sweden. Lund [Sweden: s.n.], 1975.
MLA(8版)引用形式Sandahl, Björn. Seasonal and Secular Trends in Reproductive Wastage in Sweden. s.n.], 1975.
警告: この引用は必ずしも正確ではありません.