Spyri, J., Davenport, P. .., & Armino, M. (2011). Heidi. Oxford University Press.
Chicago Style (17th ed.) CitationSpyri, Johanna, Paul .0 Davenport, and Monica Armino. Heidi. Oxford: Oxford University Press, 2011.
MLA引文Spyri, Johanna, et al. Heidi. Oxford University Press, 2011.
警告:這些引文格式不一定是100%准確.