APA-Zitierstil (7. Ausg.)

Wallen, N. E. (1974). Educational Research: A guide to the process (Experimental ed.). Wadsworth.

Chicago-Zitierstil (17. Ausg.)

Wallen, Norman E. Educational Research: A Guide to the Process. Experimental ed. Belmont, Cal: Wadsworth, 1974.

MLA-Zitierstil (9. Ausg.)

Wallen, Norman E. Educational Research: A Guide to the Process. Experimental ed. Wadsworth, 1974.