Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.