Cita APA (7th ed.)

Dicks, W. (1980). Groups, trees and projective modules. Springer-Verlag.

Cita Chicago (17th ed.)

Dicks, Warren. Groups, Trees and Projective Modules. Berlín: Springer-Verlag, 1980.

Cita MLA (9th ed.)

Dicks, Warren. Groups, Trees and Projective Modules. Springer-Verlag, 1980.