Gaya APA

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

Gaya MLA

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