Gaya APA

(Editor), O, N, S. (2015). Handbook of Research Methods in Early Childhood Education: Research Methodologies, Volume I . United States of America: Information Age Publishing.

Gaya MLA

(Editor), Olivia, N., Saracho. "Handbook of Research Methods in Early Childhood Education: Research Methodologies, Volume I". United States of America: Information Age Publishing, 2015. Elektronik/Digital.