Gaya APA
Fritz,Roger. (2009).
The power Of a Positive Attitude : Kunci kesuksesan sejati anda .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya Chicago
Fritz,Roger.
The power Of a Positive Attitude : Kunci kesuksesan sejati anda.
Jakarta:
PT Gramedia Pustaka Utama,
2009.
.
Gaya MLA
Fritz,Roger.
The power Of a Positive Attitude : Kunci kesuksesan sejati anda.
Jakarta:
PT Gramedia Pustaka Utama,
2009.
.
Gaya Turabian
Fritz,Roger.
The power Of a Positive Attitude : Kunci kesuksesan sejati anda.
Jakarta:
PT Gramedia Pustaka Utama,
2009.
.