APA استشهاد

Ratledge, C., & Kristiansen, B. (2001). Basic biotechnology (2nd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Ratledge, Colin, و Bjorn Kristiansen. Basic Biotechnology. 2nd ed. Cambridge: Cambridge University Press, 2001.

MLA استشهاد

Ratledge, Colin, و Bjorn Kristiansen. Basic Biotechnology. 2nd ed. Cambridge University Press, 2001.