Del Rosario, B. (1999). Berzen?s mathematics dictionary: New methods and formulas with appendices and illustrations. Isa-Jecho Pub.
Lua i Stíl Chicago (17ú heag.)Del Rosario, Bernardo. Berzen?s Mathematics Dictionary: New Methods and Formulas with Appendices and Illustrations. Diliman: Isa-Jecho Pub, 1999.
Lua MLA (9ú heag.)Del Rosario, Bernardo. Berzen?s Mathematics Dictionary: New Methods and Formulas with Appendices and Illustrations. Isa-Jecho Pub, 1999.
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