Gratzer, G. (1971). Lattice theory: First conceprs and distributive lattices. W H Freeman.
शिकागो स्टाइल उद्धरणGratzer, George. Lattice Theory: First Conceprs and Distributive Lattices. San Francisco: W H Freeman, 1971.
एमएलए उद्धरणGratzer, George. Lattice Theory: First Conceprs and Distributive Lattices. W H Freeman, 1971.
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