APA ציטוט

JOHNSON, G. B., & OBER, W. C. (2010). Essentials of the living world. Mc Graw-Hill.

Chicago Style (17th ed.) Citation

JOHNSON, George B., and William C. OBER. Essentials of the Living World. Mc Graw-Hill, 2010.

ציטוט MLA

JOHNSON, George B., and William C. OBER. Essentials of the Living World. Mc Graw-Hill, 2010.