Gaya APA
Huber, N, K. (1987).
The Geologic Story of Yosemite National Park .
Washington DC:
U.S. Government Printing Office.
Gaya MLA
Huber, Norman, King.
"The Geologic Story of Yosemite National Park".
Washington DC:
U.S. Government Printing Office,
1987.
Text.