Παραπομπή APA

National Science Teachers Association. (1970). Science look at itself. New York, N.Y.: Charles Scribner's Sons.

Παραπομπή Chicago Style

National Science Teachers Association. Science Look At Itself. New York, N.Y.: Charles Scribner's Sons, 1970.

Παραπομπή MLA

National Science Teachers Association. Science Look At Itself. New York, N.Y.: Charles Scribner's Sons, 1970.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.