APA (7e ed.) Bronvermelding

Alejandro, R. (1951). Principles of teaching and supervision: A handbook for young teachers. Philippine Book Co.

Chicago (17e ed.) Bronvermelding

Alejandro, Rufino. Principles of Teaching and Supervision: A Handbook for Young Teachers. Manila: Philippine Book Co, 1951.

MLA (9e ed.) Bronvermelding

Alejandro, Rufino. Principles of Teaching and Supervision: A Handbook for Young Teachers. Philippine Book Co, 1951.