APA (7e ed.) Bronvermelding

Parkinson, H. (1932). Scientific investment: A manual for company share and debenture holders. I. Pitman.

Chicago (17e ed.) Bronvermelding

Parkinson, Hargreaves. Scientific Investment: A Manual for Company Share and Debenture Holders. London: I. Pitman, 1932.

MLA (8e ed.) Bronvermelding

Parkinson, Hargreaves. Scientific Investment: A Manual for Company Share and Debenture Holders. I. Pitman, 1932.