APA-viite (7. p.)

Walliman, N. (2022). Research methods: The basics (Third edition.). Routledge.

Chicago-viite (17. p.)

Walliman, Nicholas. Research Methods: The Basics. Third edition. Abingdon, Oxon ; New York, NY: Routledge, 2022.

MLA-viite (9. p.)

Walliman, Nicholas. Research Methods: The Basics. Third edition. Routledge, 2022.