APA (7th ed.) Citation

Duque, E. E. (1987). Occupational health nursing course: Principles and methods. College of Public Health, U.P. Manila.

Chicago Style (17th ed.) Citation

Duque, Elnora E. Occupational Health Nursing Course: Principles and Methods. Manila: College of Public Health, U.P. Manila, 1987.

MLA (9th ed.) Citation

Duque, Elnora E. Occupational Health Nursing Course: Principles and Methods. College of Public Health, U.P. Manila, 1987.