Gaya APA

HENDERSON, G, L., Johnson, C, H. (1974). THE FOUR ROLES OF MATHEMATICS: A LIBERAL ARTS APPROACH . Boston: Prindle, Weber, & Schmidt.

Gaya MLA

HENDERSON, George, L.., Johnson, Charles, H.. "THE FOUR ROLES OF MATHEMATICS: A LIBERAL ARTS APPROACH". Boston: Prindle, Weber, & Schmidt, 1974. Textbook.