APA-viite

Bright, J. R., & Schoeman, M. E. (1973). Guide to practical technological forecasting. Prentice hall.

Chicago-tyylinen lähdeviittaus

Bright, James R., ja Milton E.F Schoeman. Guide to Practical Technological Forecasting. New Jersey: Prentice hall, 1973.

MLA-viite

Bright, James R., ja Milton E.F Schoeman. Guide to Practical Technological Forecasting. Prentice hall, 1973.