APA aipamena

Gonzales, L. R. (1971). Maintenance of cleanliness of the Rizal park. s.n.].

Chicago Style aipamena

Gonzales, Leticia Ritez. Maintenance of Cleanliness of the Rizal Park. [Quezon City: s.n.], 1971.

MLA aipamena

Gonzales, Leticia Ritez. Maintenance of Cleanliness of the Rizal Park. s.n.], 1971.