Dyfyniad APA

Egler, F. E. (1970). The way of science: A philosophy of ecology for the layman. Hefner.

Dyfyniad Arddull Chicago

Egler, Frank E. The Way of Science: A Philosophy of Ecology for the Layman. New York: Hefner, 1970.

Dyfyniad MLA

Egler, Frank E. The Way of Science: A Philosophy of Ecology for the Layman. Hefner, 1970.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.