Citazione Stile APA (7a Edizione)

Gregory, A. (2000). Dear trainer... dealing with difficult problems in training. Kogan Page.

Citazione stile Chigago Style (17a edizione)

Gregory, Anne. Dear Trainer... Dealing with Difficult Problems in Training. London: Kogan Page, 2000.

Citatione MLA (9a ed.)

Gregory, Anne. Dear Trainer... Dealing with Difficult Problems in Training. Kogan Page, 2000.