APA način citiranja (7. izdanje)

Dudley, G. (1997). Double your learning power. Harper Collins Publications.

Čikaški stil citiranja (17. izdanje)

Dudley, Geoffery. Double Your Learning Power. New Delhi: Harper Collins Publications, 1997.

MLA način citiranja (9. izdanje)

Dudley, Geoffery. Double Your Learning Power. Harper Collins Publications, 1997.