Espiritu, F. C. R., Francisco, R. R. L., & Vasquez, F. R. (1990). An Information systems study on Asia Industries, Inc. College of Engineering.
芝加哥风格引文Espiritu, Frances Claudine R., Rosa Regina L. Francisco, 与 Frederick R. Vasquez. An Information Systems Study on Asia Industries, Inc. Diliman, Quezon City: College of Engineering, 1990.
MLA引文Espiritu, Frances Claudine R., et al. An Information Systems Study on Asia Industries, Inc. College of Engineering, 1990.
警告：这些引文格式不一定是100％准确.