APA (7e ed.) Bronvermelding

Howe, J. P. (1979). Centres for teachers. [s.n].

Chicago (17e ed.) Bronvermelding

Howe, J. P. Centres for Teachers. Warragul, Vic.: [s.n], 1979.

MLA (8e ed.) Bronvermelding

Howe, J. P. Centres for Teachers. [s.n], 1979.