Cita APA (7th ed.)

BURRILL, C. E. (1967). Foundations of real ninbers. McGraw-Hill.

Cita Chicago (17th ed.)

BURRILL, Claude E. Foundations of Real Ninbers. New York: McGraw-Hill, 1967.

Cita MLA (9th ed.)

BURRILL, Claude E. Foundations of Real Ninbers. McGraw-Hill, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.