Παραπομπή APA

Loudon, J. (1973). Encyclopedia of plants. Pt.2. Prkash.

Παραπομπή Chicago Style

Loudon, J.C. Encyclopedia of Plants. Pt.2. Jaipur: Prkash, 1973.

Παραπομπή MLA

Loudon, J.C. Encyclopedia of Plants. Pt.2. Prkash, 1973.