Gaya APA

Maynard, C. (2006). I Wonder Why Planes Have Wings and Other Questions About Transport (Cet. ke-6). cambridge, UK: GROLIER DANBURY,CONNECTICUT.

Gaya MLA

Maynard, Christopher. "I Wonder Why Planes Have Wings and Other Questions About Transport". Cet. ke-6 cambridge, UK: GROLIER DANBURY,CONNECTICUT, 2006. Text.