एपीए उद्धरण

Cohen, H. L., & Filipczak, J. (1971). New learning environment ([1st ed.].). Jossey-Bass.

शिकागो स्टाइल उद्धरण

Cohen, Harold L., और James Filipczak. New Learning Environment. [1st ed.]. San Francisco: Jossey-Bass, 1971.

एमएलए उद्धरण

Cohen, Harold L., और James Filipczak. New Learning Environment. [1st ed.]. Jossey-Bass, 1971.