APA aipamena

Spyri, J., Davenport, P. .., & Armino, M. (2011). Heidi. Oxford University Press.

Chicago Style aipamena

Spyri, Johanna, Paul .0 Davenport, and Monica Armino. Heidi. Oxford: Oxford University Press, 2011.

MLA aipamena

Spyri, Johanna, et al. Heidi. Oxford University Press, 2011.