Gaya APA
Gilliam, Harold. (1967).
The Natural World of San Fransisco .
New York:
Doubleday & Company.
Gaya Chicago
Gilliam, Harold.
The Natural World of San Fransisco.
New York:
Doubleday & Company,
1967.
.
Gaya MLA
Gilliam, Harold.
The Natural World of San Fransisco.
New York:
Doubleday & Company,
1967.
.
Gaya Turabian
Gilliam, Harold.
The Natural World of San Fransisco.
New York:
Doubleday & Company,
1967.
.