APA Citatie

Helliwell,J F. (1976). Aggregate investment: Selected readings. Penguin Education.

Chicago Style citaat

Helliwell,J F. Aggregate Investment: Selected Readings. England: Penguin Education, 1976.

MLA citatie

Helliwell,J F. Aggregate Investment: Selected Readings. Penguin Education, 1976.

Let op: Deze citaties zijn niet altijd 100% accuraat.