Cita APA

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

Chicago Edition Citation

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

Cita MLA

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