Gaya APA
Singer, Blair. (2006).
Sales dogs .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Singer, Blair.
Sales dogs.
Jakarta:
Gramedia Pustaka Utama,
2006.
.
Gaya MLA
Singer, Blair.
Sales dogs.
Jakarta:
Gramedia Pustaka Utama,
2006.
.
Gaya Turabian
Singer, Blair.
Sales dogs.
Jakarta:
Gramedia Pustaka Utama,
2006.
.