Cita APA (7th ed.)

Philippine Association of Teachers of Library Science. (1977). Directory of teachers of library science in the Philippines 1977. Philippine Association of Teachers of Library Science.

Cita Chicago (17th ed.)

Philippine Association of Teachers of Library Science. Directory of Teachers of Library Science in the Philippines 1977. Manila: Philippine Association of Teachers of Library Science, 1977.

Cita MLA (9th ed.)

Philippine Association of Teachers of Library Science. Directory of Teachers of Library Science in the Philippines 1977. Philippine Association of Teachers of Library Science, 1977.