Παραπομπή APA

Gratzer, G. (1971). Lattice theory: First conceprs and distributive lattices. W H Freeman.

Παραπομπή Chicago Style

Gratzer, George. Lattice Theory: First Conceprs and Distributive Lattices. San Francisco: W H Freeman, 1971.

Παραπομπή MLA

Gratzer, George. Lattice Theory: First Conceprs and Distributive Lattices. W H Freeman, 1971.