De las Alas, F. P. (1974). Cost of producing fiber and seeds of two spineless strains of Kenaf (Hibiscus cannanibus Linn.) at the Don Severino Agricultural College, Indang Cavite during the long day season [microform]. Photoduplication Service, University of the Philippines Library.
Cytowanie według stylu Chicago (wyd. 17)De las Alas, Florencio P. Cost of Producing Fiber and Seeds of Two Spineless Strains of Kenaf (Hibiscus Cannanibus Linn.) at the Don Severino Agricultural College, Indang Cavite During the Long Day Season [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Cytowanie według stylu MLA (wyd. 9)De las Alas, Florencio P. Cost of Producing Fiber and Seeds of Two Spineless Strains of Kenaf (Hibiscus Cannanibus Linn.) at the Don Severino Agricultural College, Indang Cavite During the Long Day Season [microform]. Photoduplication Service, University of the Philippines Library, 1974.