Cita APA (7th ed.)

Beach, D. I., & Ovens, G. (1972). Business and securities valuation. Methuen.

Cita Chicago (17th ed.)

Beach, Donald I., i Geo Ovens. Business and Securities Valuation. Toronto: Methuen, 1972.

Cita MLA (9th ed.)

Beach, Donald I., i Geo Ovens. Business and Securities Valuation. Methuen, 1972.