Parkinson, C. N. (1974). How to Get to the Top Without Ulcers, Tranquillisers or Heart Attacks. Macmillan.
Chicago Style aipamenaParkinson, C. Northcote. How to Get to the Top Without Ulcers, Tranquillisers or Heart Attacks. New Delhi: Macmillan, 1974.
MLA aipamenaParkinson, C. Northcote. How to Get to the Top Without Ulcers, Tranquillisers or Heart Attacks. Macmillan, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.