Παραπομπή σε μορφή APA (7η εκδ.)

Kalin, R., & Green, G. F. (1966). Modern mathematics for the elementary school teacher: An instructional system for teaching the content and methodology of modern elementary school mathematics. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kalin, Robert, και George F. Green. Modern Mathematics for the Elementary School Teacher: An Instructional System for Teaching the Content and Methodology of Modern Elementary School Mathematics. New York: McGraw-Hill, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kalin, Robert, και George F. Green. Modern Mathematics for the Elementary School Teacher: An Instructional System for Teaching the Content and Methodology of Modern Elementary School Mathematics. McGraw-Hill, 1966.