APA استشهاد

Jacobson, W. J., & Lauby, C. J. K. (1968). Investigating in science. American book company.

استشهاد بنمط شيكاغو

Jacobson, Willard J., و Cecelia J Konicek Lauby. Investigating in Science. New York: American book company, 1968.

MLA استشهاد

Jacobson, Willard J., و Cecelia J Konicek Lauby. Investigating in Science. American book company, 1968.