Cita APA (7th ed.)

Harmon, F. L., & Dupree, D. E. (1964). Fundamental concepts of mathematics. Prentice-Hall.

Cita Chicago (17th ed.)

Harmon, Frank L., i Daniel E. Dupree. Fundamental Concepts of Mathematics. Englewood Cliffs, N.J: Prentice-Hall, 1964.

Cita MLA (9th ed.)

Harmon, Frank L., i Daniel E. Dupree. Fundamental Concepts of Mathematics. Prentice-Hall, 1964.