Παραπομπή APA

Hennessy, D. . .. (1954). Elementary teacher`s classroom science demostration and activities (1.). Prentice Hall of India Pvt Ltd..

Παραπομπή Chicago Style

Hennessy, David.E. Elementary Teacher`s Classroom Science Demostration and Activities. 1. New Delhi: Prentice Hall of India Pvt Ltd., 1954.

Παραπομπή MLA

Hennessy, David.E. Elementary Teacher`s Classroom Science Demostration and Activities. 1. Prentice Hall of India Pvt Ltd., 1954.