APA (7th ed.) Citation

Worayos, Y. (1977). Primary tracheary elements of the genus Oryza [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Worayos, Yupa. Primary Tracheary Elements of the Genus Oryza [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Worayos, Yupa. Primary Tracheary Elements of the Genus Oryza [microform]. Photoduplication Service. University of the Philippines Library, 1977.

Warning: These citations may not always be 100% accurate.