APA
Alles J., . (1985). The School System-Primary and Secondary : Pupil Enrolments and Direct Costs-Some Reflections. Maharagama: National Institute of Education.
Chicago
Alles Jinapala, . 1985. The School System-Primary and Secondary : Pupil Enrolments and Direct Costs-Some Reflections. Maharagama: National Institute of Education.
Harvard
Alles J., . (1985). The School System-Primary and Secondary : Pupil Enrolments and Direct Costs-Some Reflections. Maharagama: National Institute of Education.
MLA
Alles Jinapala, . The School System-Primary and Secondary : Pupil Enrolments and Direct Costs-Some Reflections. Maharagama: National Institute of Education. 1985.