APA (7e ed.) Bronvermelding

Montessori, M., & Buckenmeyer, R. G. (1997). The California lectures of Maria Montessori: Collected speeches and writings. Clio Press.

Chicago (17e ed.) Bronvermelding

Montessori, Maria, en Robert G. Buckenmeyer. The California Lectures of Maria Montessori: Collected Speeches and Writings. Oxford, Eng: Clio Press, 1997.

MLA (9e ed.) Bronvermelding

Montessori, Maria, en Robert G. Buckenmeyer. The California Lectures of Maria Montessori: Collected Speeches and Writings. Clio Press, 1997.