APA (7th ed.) Zitazioa

Walliman, N. (2021). Research methods: The basics (3rd ed.). Routledge.

Chicago Style (17th ed.) Zitazioa

Walliman, Nicholas. Research Methods: The Basics. 3rd ed. Routledge: Routledge, 2021.

MLA (9th ed.) Zitazioa

Walliman, Nicholas. Research Methods: The Basics. 3rd ed. Routledge, 2021.