Guzman, M. K., Alcantara, R. G., Arinto, P. B., Barrios, E. B., Malicsi. Jonathan C., Ocampo, N. S., & Marcial, M. C. D. (1998). Living language: Assessment of language proficiency and needs in the professions and in the workplace. Office of Research Coordination, University of the Philippines.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGuzman, Maybelle Koch, Ruby G. Alcantara, Patricia B. Arinto, Erniel B. Barrios, Malicsi. Jonathan C., Nilo S. Ocampo, এবং Ma. Corazon DP Marcial. Living Language: Assessment of Language Proficiency and Needs in the Professions and in the Workplace. Quezon City: Office of Research Coordination, University of the Philippines, 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGuzman, Maybelle Koch, et al. Living Language: Assessment of Language Proficiency and Needs in the Professions and in the Workplace. Office of Research Coordination, University of the Philippines, 1998.