APA citáció

Petrich Mario & Reilly Norman Raymund. (1983). E-unitary covers and varieties of inverse semigroups.

Chicago Style (17th ed.) Citation

Petrich Mario and Reilly Norman Raymund. E-unitary Covers and Varieties of Inverse Semigroups. 1983.

MLA idézés

Petrich Mario and Reilly Norman Raymund. E-unitary Covers and Varieties of Inverse Semigroups. 1983.

Figyelem: ezek az hivatkozások nem 100%-ban pontosak..