Παραπομπή APA

Lemon Nigel. (1973). Attitudes and their measurement. B T Batsford.

Παραπομπή Chicago Style

Lemon Nigel. Attitudes and Their Measurement. London: B T Batsford, 1973.

Παραπομπή MLA

Lemon Nigel. Attitudes and Their Measurement. B T Batsford, 1973.