Trích dẫn APA

Wills, G. (1972). Technological Forecasting: The Art and Its Managerial Implications. Penguin: Pelican Library of buiness and management.

Trích dẫn kiểu Chicago

Wills, Gordon. Technological Forecasting: The Art and Its Managerial Implications. Penguin: Pelican Library of buiness and management, 1972.

Trích dẫn MLA

Wills, Gordon. Technological Forecasting: The Art and Its Managerial Implications. Penguin: Pelican Library of buiness and management, 1972.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.