APA (7th ed.) Citation

Gregorio, H. (1978). School administration and supervision (rev ed.). R.P. Garcia.

Chicago Style (17th ed.) Citation

Gregorio, Herman. School Administration and Supervision. rev ed. Quezon City: R.P. Garcia, 1978.

MLA (9th ed.) Citation

Gregorio, Herman. School Administration and Supervision. rev ed. R.P. Garcia, 1978.