Dyfyniad APA

Sawyer, W. W. (1959). Concrete approach to abstract algebra. Freeman.

Dyfyniad Arddull Chicago

Sawyer, W W. Concrete Approach to Abstract Algebra. London: Freeman, 1959.

Dyfyniad MLA

Sawyer, W W. Concrete Approach to Abstract Algebra. Freeman, 1959.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.