APA ציטוט

Walker, R. (2011). Under the Microscope Heart how the blood gets around the body volume 1. Grolier.

Chicago Style Citation

Walker, Richard. Under the Microscope Heart How the Blood Gets Around the Body Volume 1. Grolier, 2011.

ציטוט MLA

Walker, Richard. Under the Microscope Heart How the Blood Gets Around the Body Volume 1. Grolier, 2011.