Cita APA (7th ed.)

Hillman, A. P., & Alexanderson, G. L. (1988). A first undergraduate course in abstract algebra (4th ed.). Wadsworth.

Cita Chicago (17th ed.)

Hillman, Abraham P., i Gerald L. Alexanderson. A First Undergraduate Course in Abstract Algebra. 4th ed. California: Wadsworth, 1988.

Cita MLA (9th ed.)

Hillman, Abraham P., i Gerald L. Alexanderson. A First Undergraduate Course in Abstract Algebra. 4th ed. Wadsworth, 1988.