Gaya APA

Pearl, C., Phillips, J, A. (1977). Elements of economics / James A. Phillips, Carl Pearl (Ed.ke-2). New York: Macmillan Publishing.

Gaya MLA

Pearl, Carl., Phillips, James, A.. "Elements of economics / James A. Phillips, Carl Pearl". Ed.ke-2 New York: Macmillan Publishing, 1977. Textbook.