APA (7th ed.) Citation

Grolier international. (1987). Grolier academic encyclopedia: Vol :15. Grolier international, Acamedic American.

Chicago Style (17th ed.) Citation

Grolier international. Grolier Academic Encyclopedia: Vol :15. USA: Grolier international, Acamedic American, 1987.

MLA (9th ed.) Citation

Grolier international. Grolier Academic Encyclopedia: Vol :15. Grolier international, Acamedic American, 1987.

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