Gaya APA
Johnson, Spencer. (2009).
Peaks and Valleys .
Jakarta:
Gramedia Pustaka Utama.
Gaya Chicago
Johnson, Spencer.
Peaks and Valleys.
Jakarta:
Gramedia Pustaka Utama,
2009.
Text.
Gaya MLA
Johnson, Spencer.
Peaks and Valleys.
Jakarta:
Gramedia Pustaka Utama,
2009.
Text.
Gaya Turabian
Johnson, Spencer.
Peaks and Valleys.
Jakarta:
Gramedia Pustaka Utama,
2009.
Print.