APA citáció

Grätzer George A. & Wenzel Günter H. (1990). Notes on tolerance relations of lattices.

Chicago Style (17th ed.) Citation

Grätzer George A. and Wenzel Günter H. Notes on Tolerance Relations of Lattices. 1990.

MLA idézés

Grätzer George A. and Wenzel Günter H. Notes on Tolerance Relations of Lattices. 1990.