Gaya APA
Raven, Peter H., Johnson, George B.. (2002).
Biology (6th ed.).
Boston, Massachusetts:
McGraw-Hill.
Gaya Chicago
Raven, Peter H., Johnson, George B..
Biology.
6th ed.
Boston, Massachusetts:
McGraw-Hill,
2002.
Text.
Gaya MLA
Raven, Peter H., Johnson, George B..
Biology.
6th ed.
Boston, Massachusetts:
McGraw-Hill,
2002.
Text.
Gaya Turabian
Raven, Peter H., Johnson, George B..
Biology.
6th ed.
Boston, Massachusetts:
McGraw-Hill,
2002.
Print.