APA استشهاد

Roubiczek, P. (1969). Ethical values in the age of science. Cambridge U.P..

استشهاد بنمط شيكاغو

Roubiczek, Paul. Ethical Values in the Age of Science. London: Cambridge U.P., 1969.

MLA استشهاد

Roubiczek, Paul. Ethical Values in the Age of Science. Cambridge U.P., 1969.