Cita APA (7th ed.)

Novak, J. D. (1970). The improvement of biology teaching. Bobbs-Merril.

Cita Chicago (17th ed.)

Novak, Joseph Donald. The Improvement of Biology Teaching. Indianapolis: Bobbs-Merril, 1970.

Cita MLA (9th ed.)

Novak, Joseph Donald. The Improvement of Biology Teaching. Bobbs-Merril, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.