APA استشهاد

PIERCE, B. A. (2012). GENETICS: A conceptual Approach (4.). W.H.Freeman AND company.

استشهاد بنمط شيكاغو

PIERCE, Benjamin. A. GENETICS: A Conceptual Approach. 4. New york: W.H.Freeman AND company, 2012.

MLA استشهاد

PIERCE, Benjamin. A. GENETICS: A Conceptual Approach. 4. W.H.Freeman AND company, 2012.