Gaya APA
Maxwell, J, C. (2011).
How Successful People Think: Change Your Thingking, Change Your Life (Edisi Pertama).
new york:
Hachette Nashville.
Gaya MLA
Maxwell, John, C..
"How Successful People Think: Change Your Thingking, Change Your Life".
Edisi Pertama
new york:
Hachette Nashville,
2011.
Text.