APA (7th ed.) Citation

(1977). Soil fertility and research: The Philippines [microform]. Photoduplication Service.

Chicago Style (17th ed.) Citation

Soil Fertility and Research: The Philippines [microform]. Quezon City: Photoduplication Service, 1977.

MLA (9th ed.) Citation

Soil Fertility and Research: The Philippines [microform]. Photoduplication Service, 1977.

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