Medrano, E. M. (1979). The effects of tree age and within tree position on the pulping characteristics of Benguet pine (pinus kesiya Royle ex Gord.) [microform]. Photoduplication Service. University of the Philippines Library.
Cita Chicago (17th ed.)Medrano, Edgar M. The Effects of Tree Age and Within Tree Position on the Pulping Characteristics of Benguet Pine (pinus Kesiya Royle Ex Gord.) [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
Cita MLA (9th ed.)Medrano, Edgar M. The Effects of Tree Age and Within Tree Position on the Pulping Characteristics of Benguet Pine (pinus Kesiya Royle Ex Gord.) [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.