Agustin, L. M. (1979). Abstracts of Philippine researches in guidance: 1971-1976. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Agustin, Leila Mendoza. Abstracts of Philippine Researches in Guidance: 1971-1976. Quezon City: University of the Philippines Library, 1979.
Citatione MLA (9a ed.)Agustin, Leila Mendoza. Abstracts of Philippine Researches in Guidance: 1971-1976. University of the Philippines Library, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.