Gaya APA
Quilliam, Susan. (2007).
Positive thinking .
Jakarta:
Dian Rakyat.
Gaya Chicago
Quilliam, Susan.
Positive thinking.
Jakarta:
Dian Rakyat,
2007.
Text.
Gaya MLA
Quilliam, Susan.
Positive thinking.
Jakarta:
Dian Rakyat,
2007.
Text.
Gaya Turabian
Quilliam, Susan.
Positive thinking.
Jakarta:
Dian Rakyat,
2007.
Print.