Cita APA (7th ed.)

Padberg, D. I., & Thorpe, D. (1973). Channels of grocery distribution: Changing stages in evolution : a comparison of U.S.A. and U.K. Retail Outlets Research Unit, Manchester Business School.

Cita Chicago (17th ed.)

Padberg, Daniel I., i D. Thorpe. Channels of Grocery Distribution: Changing Stages in Evolution : A Comparison of U.S.A. and U.K. [Manchester]: Retail Outlets Research Unit, Manchester Business School, 1973.

Cita MLA (8th ed.)

Padberg, Daniel I., i D. Thorpe. Channels of Grocery Distribution: Changing Stages in Evolution : A Comparison of U.S.A. and U.K. Retail Outlets Research Unit, Manchester Business School, 1973.