APA Style
Johson, George B. Johson, George B.. (2006).
Essentials of the living world.-- .
America:
McGraw-Hill.
Chicago Style
Johson, George B. Johson, George B..
Essentials of the living world.--.
America:
McGraw-Hill,
2006.
Buku.
MLA Style
Johson, George B. Johson, George B..
Essentials of the living world.--.
America:
McGraw-Hill,
2006.
Buku.
Turabian Style
Johson, George B. Johson, George B..
Essentials of the living world.--.
America:
McGraw-Hill,
2006.
Buku.