Παραπομπή APA

Parkinson, N. C. (1966). A law unto themselves. John murray.

Παραπομπή Chicago Style

Parkinson, Northcote C. A Law Unto Themselves. London: John murray, 1966.

Παραπομπή MLA

Parkinson, Northcote C. A Law Unto Themselves. John murray, 1966.