APA (7 वां संस्करण) प्रशस्ति पत्र

Bernardino, V., & Abella, B. (1966). Teaching the language arts in the elementary grades (Enlarged edition.). Abiva Pub. House.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Bernardino, Vitaliano, और B. Abella. Teaching the Language Arts in the Elementary Grades. Enlarged edition. Manila: Abiva Pub. House, 1966.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Bernardino, Vitaliano, और B. Abella. Teaching the Language Arts in the Elementary Grades. Enlarged edition. Abiva Pub. House, 1966.