APA استشهاد

Gliessman Stephen R Engles Eric W. (2015). Agroecology (3.). CRC.

استشهاد بنمط شيكاغو

Gliessman Stephen R Engles Eric W. Agroecology. 3. London: CRC, 2015.

MLA استشهاد

Gliessman Stephen R Engles Eric W. Agroecology. 3. CRC, 2015.