APA-Zitierstil (7. Ausg.)

Ary, D. (2014). Introduction to research in education (9th ed., internat. ed.). Wadsworth Cengage Learning.

Chicago-Zitierstil (17. Ausg.)

Ary, Donald. Introduction to Research in Education. 9th ed., internat. ed. Belmont, Calif: Wadsworth Cengage Learning, 2014.

MLA-Zitierstil (9. Ausg.)

Ary, Donald. Introduction to Research in Education. 9th ed., internat. ed. Wadsworth Cengage Learning, 2014.