Salud, E. C. (1977). Comparison of the quantity and composition of the wood extractives of unsteamed and steamed apitong (Dipterocarpus gradiflorus blanco) [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Salud, Erlinda Cabotage. Comparison of the Quantity and Composition of the Wood Extractives of Unsteamed and Steamed Apitong (Dipterocarpus Gradiflorus Blanco) [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Cita MLA (9th ed.)Salud, Erlinda Cabotage. Comparison of the Quantity and Composition of the Wood Extractives of Unsteamed and Steamed Apitong (Dipterocarpus Gradiflorus Blanco) [microform]. Photoduplication Service, University of the Philippines Library, 1977.