Παραπομπή APA

Bilodeau, E., & Bilodeau, I. M. (1969). Principles of skill acquisition.

Παραπομπή Chicago Style

Bilodeau, Ea, και Ina Mcd Bilodeau. Principles of Skill Acquisition. 1969.

Παραπομπή MLA

Bilodeau, Ea, και Ina Mcd Bilodeau. Principles of Skill Acquisition. 1969.