Παραπομπή APA

(1963). A guide to the world's abstracting and indexing services in science and technology. Washington: [s.n.].

Παραπομπή Chicago Style

A Guide to the World's Abstracting and Indexing Services in Science and Technology. Washington: [s.n.], 1963.

Παραπομπή MLA

A Guide to the World's Abstracting and Indexing Services in Science and Technology. Washington: [s.n.], 1963.

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