APA استشهاد

Gledhill, D. (2002). names of plants (3rd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Gledhill, David. Names of Plants. 3rd ed. Cambridge: Cambridge University Press, 2002.

MLA استشهاد

Gledhill, David. Names of Plants. 3rd ed. Cambridge University Press, 2002.