Gaya APA
Ziglar, Zig. (2007).
See You at the Top. .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Ziglar, Zig.
See You at the Top..
Jakarta:
Elex Media Komputindo,
2007.
Text.
Gaya MLA
Ziglar, Zig.
See You at the Top..
Jakarta:
Elex Media Komputindo,
2007.
Text.
Gaya Turabian
Ziglar, Zig.
See You at the Top..
Jakarta:
Elex Media Komputindo,
2007.
Print.