McRAE, B. C. (1989). Guide To Effective Time Management. International Self-Counsel Pre.
Chicago Style aipamenaMcRAE, Bradley C. Guide To Effective Time Management. International Self-Counsel Pre, 1989.
MLA aipamenaMcRAE, Bradley C. Guide To Effective Time Management. International Self-Counsel Pre, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.