APA استشهاد

PIERCE, B. A. (2012). GENETICS: A conceptual approach. W.H.Freeman & company.

استشهاد بنمط شيكاغو

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

MLA استشهاد

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