Παραπομπή APA

Purkinson, C. N. (1970). law of delay interviews and on interviews. John Mirray.

Παραπομπή Chicago Style

Purkinson, C. Northeote. Law of Delay Interviews and on Interviews. London: John Mirray, 1970.

Παραπομπή MLA

Purkinson, C. Northeote. Law of Delay Interviews and on Interviews. John Mirray, 1970.