Cita APA (7th ed.)

Gratzer, G., & Khanna, V. K. (1971). Lattice Theory: First concepts and distributive lattices (2nd ed.). W.H. Freeman.

Cita Chicago (17th ed.)

Gratzer, George, i V. K. Khanna. Lattice Theory: First Concepts and Distributive Lattices. 2nd ed. San Francisco: W.H. Freeman, 1971.

Cita MLA (9th ed.)

Gratzer, George, i V. K. Khanna. Lattice Theory: First Concepts and Distributive Lattices. 2nd ed. W.H. Freeman, 1971.