APA (7e ed.) Bronvermelding

Ittner, P. L. (1997). Train-the-trainer: Coursebook (2nd.ed.). HRD.

Chicago (17e ed.) Bronvermelding

Ittner, Penny L. Train-the-trainer: Coursebook. 2nd.ed. Amherst: HRD, 1997.

MLA (9e ed.) Bronvermelding

Ittner, Penny L. Train-the-trainer: Coursebook. 2nd.ed. HRD, 1997.