APA Citatie

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

Chicago Style citaat

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

MLA citatie

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