APA (7e ed.) Bronvermelding

Leggat, R. (1974). Showing off: Display techniques for the teacher (Rev. [ed.].). National Committee for Audio-Visual Aids in Education.

Chicago (17e ed.) Bronvermelding

Leggat, Robert. Showing off: Display Techniques for the Teacher. Rev. [ed.]. London: National Committee for Audio-Visual Aids in Education, 1974.

MLA (9e ed.) Bronvermelding

Leggat, Robert. Showing off: Display Techniques for the Teacher. Rev. [ed.]. National Committee for Audio-Visual Aids in Education, 1974.