APA aipamena

Walliman, N. (2018). Research methods: The basics (2nd edition.). Routledge.

Chicago Style aipamena

Walliman, Nicholas. Research Methods: The Basics. 2nd edition. Abingdon, Oxon: Routledge, 2018.

MLA aipamena

Walliman, Nicholas. Research Methods: The Basics. 2nd edition. Routledge, 2018.