Graubard, M. (1967). Motivations, tools, and theories of pre-modern science. Minneapolis: Burgess Pub. Co.
शिकागो स्टाइल उद्धरणGraubard, Mark. Motivations, Tools, and Theories of Pre-modern Science. Minneapolis: Burgess Pub. Co, 1967.
एमएलए उद्धरणGraubard, Mark. Motivations, Tools, and Theories of Pre-modern Science. Minneapolis: Burgess Pub. Co, 1967.
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