Johnson, R. E. (1960). First course in abstract algebra (4th printing.). Prentice-Hall.
Cita Chicago Style (17a ed.)Johnson, Richard E. First Course in Abstract Algebra. 4th printing. Englewood Cliffs, New Jersey [etc.]: Prentice-Hall, 1960.
Cita MLA (9a ed.)Johnson, Richard E. First Course in Abstract Algebra. 4th printing. Prentice-Hall, 1960.
Precaución: Estas citas no son 100% exactas.