Citazione Stile APA (7a Edizione)

Gregorio, H. C. (1961). School administration and supervision (Rev. ed.). Garotech Pub.

Citazione stile Chigago Style (17a edizione)

Gregorio, Herman Cruz. School Administration and Supervision. Rev. ed. Quezon City: Garotech Pub, 1961.

Citatione MLA (9a ed.)

Gregorio, Herman Cruz. School Administration and Supervision. Rev. ed. Garotech Pub, 1961.