Gaya APA
F., B, P., W.Bauer, N. (1980).
THE UNITED STATES; Living in our world .
San Francisco:
Center For The Study Of Instruction.
Gaya MLA
F., BRANDWEIN, Paul., W.Bauer, Nancy.
"THE UNITED STATES; Living in our world".
San Francisco:
Center For The Study Of Instruction,
1980.
Textbook.