Guirnalda, F. t. (1974). Planetario wenno pangkitaan iti cababalin dagiti tattao a mayanac a gapuanan ti panagleggac dagiti nadumaduma a planeta [microform]. Photoduplication Service,University of the Philippines Library.
Cita Chicago (17th ed.)Guirnalda, Fernando tr. Planetario Wenno Pangkitaan Iti Cababalin Dagiti Tattao a Mayanac a Gapuanan Ti Panagleggac Dagiti Nadumaduma a Planeta [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1974.
Cita MLA (9th ed.)Guirnalda, Fernando tr. Planetario Wenno Pangkitaan Iti Cababalin Dagiti Tattao a Mayanac a Gapuanan Ti Panagleggac Dagiti Nadumaduma a Planeta [microform]. Photoduplication Service,University of the Philippines Library, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.