Gaya APA

Swanson, C, P., Watson, D, S. (1965). Price theory in action a book of reading . New York: New York: Hougton Mifflin Company; 1965.

Gaya MLA

Swanson, Carl, P.., Watson, Donald, Stevenson. "Price theory in action a book of reading". New York: New York: Hougton Mifflin Company; 1965, 1965. Text.