APA استشهاد

Colowick, S., & Kaplan, N. (1971). Methods in enzymology: :v.22 enzyme purification and related techniques. Academic Press.

استشهاد بنمط شيكاغو

Colowick, Sidney, و Nathan Kaplan. Methods in Enzymology: :v.22 Enzyme Purification and Related Techniques. New York: Academic Press, 1971.

MLA استشهاد

Colowick, Sidney, و Nathan Kaplan. Methods in Enzymology: :v.22 Enzyme Purification and Related Techniques. Academic Press, 1971.