APA استشهاد

Walker, J. (2006). Principles and techniques of Biochemistry and Molecular biology (6th.). CUP.

استشهاد بنمط شيكاغو

Walker, John. Principles and Techniques of Biochemistry and Molecular Biology. 6th. New York: CUP, 2006.

MLA استشهاد

Walker, John. Principles and Techniques of Biochemistry and Molecular Biology. 6th. CUP, 2006.