Dyfyniad APA

MICHAEL HAMMOND & Jerry Wellington. (2013). Research methods: The key concepts. Routledge.

Dyfyniad Arddull Chicago

MICHAEL HAMMOND and Jerry Wellington. Research Methods: The Key Concepts. London: Routledge, 2013.

Dyfyniad MLA

MICHAEL HAMMOND and Jerry Wellington. Research Methods: The Key Concepts. Routledge, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.