Παραπομπή APA

Allendoerfer, C. B., & Carl B. Allendoerfe; Cletus O.Oakley. (1969). Principles of mathematics (3.). McGraw- Hill.

Παραπομπή Chicago Style

Allendoerfer, Carl B., και Carl B. Allendoerfe; Cletus O.Oakley. Principles of Mathematics. 3. New York: McGraw- Hill, 1969.

Παραπομπή MLA

Allendoerfer, Carl B., και Carl B. Allendoerfe; Cletus O.Oakley. Principles of Mathematics. 3. McGraw- Hill, 1969.