Gaya APA

Formby, J, P., Thompson, A, A. (1993). Economics of the firm : theory and practice / Arthur A. Thompson, John P. Formby (Ed.ke-6). New Jersey: Prentice Hall.

Gaya MLA

Formby, John, P.., Thompson, Arthur, A.. "Economics of the firm : theory and practice / Arthur A. Thompson, John P. Formby". Ed.ke-6 New Jersey: Prentice Hall, 1993. Textbook.