Παραπομπή APA

Vickery, B. C., & Foskett, D. J. (1959). Classification and indexing in science (2nd ed. enlarged.). London: Butterworths.

Παραπομπή Chicago Style

Vickery, B. C., and D. J. Foskett. Classification and Indexing in Science. 2nd ed. enlarged. London: Butterworths, 1959.

Παραπομπή MLA

Vickery, B. C., and D. J. Foskett. Classification and Indexing in Science. 2nd ed. enlarged. London: Butterworths, 1959.

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