Cita APA (7th ed.)

Vaidya, N. (1996). Science teaching for the 21st century. Deep & Deep.

Cita Chicago (17th ed.)

Vaidya, Narendera. Science Teaching for the 21st Century. New Delhi: Deep & Deep, 1996.

Cita MLA (9th ed.)

Vaidya, Narendera. Science Teaching for the 21st Century. Deep & Deep, 1996.