Gaya APA
Porter, Darwin. (2002).
Frommer's switzerland (Edisi Kesepuluh).
New York:
Hungry Minds.
Gaya Chicago
Porter, Darwin.
Frommer's switzerland.
Edisi Kesepuluh
New York:
Hungry Minds,
2002.
Text.
Gaya MLA
Porter, Darwin.
Frommer's switzerland.
Edisi Kesepuluh
New York:
Hungry Minds,
2002.
Text.
Gaya Turabian
Porter, Darwin.
Frommer's switzerland.
Edisi Kesepuluh
New York:
Hungry Minds,
2002.
Print.