Dyfyniad APA

(2013). In defense of science and marxism. New York: Spartacist Publishing.

Dyfyniad Arddull Chicago

In Defense of Science and Marxism. New York: Spartacist Publishing, 2013.

Dyfyniad MLA

In Defense of Science and Marxism. New York: Spartacist Publishing, 2013.

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