Gaya APA
Mader, S, S., Windelspecht, M. (2012).
Human Biology (12).
United states of America:
The McGraw-Hill Companies.
Gaya MLA
Mader, Sylvia, S.., Windelspecht, MIchael.
"Human Biology".
12
United states of America:
The McGraw-Hill Companies,
2012.
Text.