Gaya APA

Montessori, M. (2007). Maria Montessori Speaks to Parents: A Selection of Articles (Volume 21) (Volume 21, The Montessori Series). Amsterdam, Netherlands: Montessori-Pierson Publishing Company.

Gaya MLA

Montessori, Maria. "Maria Montessori Speaks to Parents: A Selection of Articles (Volume 21)". Volume 21, The Montessori Series Amsterdam, Netherlands: Montessori-Pierson Publishing Company, 2007. Text.