Cita APA (7th ed.)

Parker, F. D. (1966). The structure of number systems. Prentice-Hall.

Cita Chicago (17th ed.)

Parker, Francis D. The Structure of Number Systems. Englewood, N.J.: Prentice-Hall, 1966.

Cita MLA (9th ed.)

Parker, Francis D. The Structure of Number Systems. Prentice-Hall, 1966.