Cita APA

Hellyer, R., Robinson, C., & Sherwood, P. (1997). Study skills for learning power. Boston: Houghton Mifflin.

Chicago Style Citation

Hellyer, Regina., Carol Robinson, i Phyllis Sherwood. Study Skills for Learning Power. Boston: Houghton Mifflin, 1997.

Cita MLA

Hellyer, Regina., Carol Robinson, i Phyllis Sherwood. Study Skills for Learning Power. Boston: Houghton Mifflin, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.