APA Style
Gregorio, H, C. (1961).
School Administration & Supervision (Revised Edition).
Brgy. Commonwealth, Quezon Cit:
Garotech Publishing.
MLA Style
Gregorio, Herman, C..
"School Administration & Supervision".
Revised Edition
Brgy. Commonwealth, Quezon Cit:
Garotech Publishing,
1961.
Text.