APA
(1976). Exploratory Courses for High School Vocational Subjects. Manila, Philippines: .
Chicago
1976. Exploratory Courses for High School Vocational Subjects. Manila, Philippines: .
Harvard
(1976). Exploratory Courses for High School Vocational Subjects. Manila, Philippines: .
MLA
Exploratory Courses for High School Vocational Subjects. Manila, Philippines: . 1976.