APA-Zitierstil (7. Ausg.)

Crowl, T. K. (1996). Fundamentals of educational research (2nd ed.). McGraw-Hill.

Chicago-Zitierstil (17. Ausg.)

Crowl, Thomas K. Fundamentals of Educational Research. 2nd ed. Boston: McGraw-Hill, 1996.

MLA-Zitierstil (9. Ausg.)

Crowl, Thomas K. Fundamentals of Educational Research. 2nd ed. McGraw-Hill, 1996.