APA (7e ed.) Bronvermelding
Kettley, N. C. (2010). Theory building in educational research. Continuum International Pub. Group.
Chicago (17e ed.) Bronvermelding
Kettley, Nigel C. Theory Building in Educational Research. New York: Continuum International Pub. Group, 2010.
MLA (9e ed.) Bronvermelding
Kettley, Nigel C. Theory Building in Educational Research. Continuum International Pub. Group, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.