APA aipamena

NORTHINGTON, D. K., & SCHNEIDER, E. L. (1996). The botanical world.-- ed.2. WCB.

Chicago Style aipamena

NORTHINGTON, David K., and Edward L. SCHNEIDER. The Botanical World.-- Ed.2. Dubuque: WCB, 1996.

MLA aipamena

NORTHINGTON, David K., and Edward L. SCHNEIDER. The Botanical World.-- Ed.2. WCB, 1996.