Citazione Stile APA (7a Edizione)

Allen, R. I. G., & Gossling, W. F. (1975). Estimating and projecting input output coefficients. Input-Output Pub.

Citazione stile Chigago Style (17a edizione)

Allen, R. I. G., e W. F. Gossling. Estimating and Projecting Input Output Coefficients. London: Input-Output Pub, 1975.

Citatione MLA (9a ed.)

Allen, R. I. G., e W. F. Gossling. Estimating and Projecting Input Output Coefficients. Input-Output Pub, 1975.