APA (7e ed.) Bronvermelding

Hélein, F. (2002). Harmonic maps, conservation laws, and moving frames (2nd ed.). Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Hélein, Frédéric. Harmonic Maps, Conservation Laws, and Moving Frames. 2nd ed. Cambridge ; New York: Cambridge University Press, 2002.

MLA (9e ed.) Bronvermelding

Hélein, Frédéric. Harmonic Maps, Conservation Laws, and Moving Frames. 2nd ed. Cambridge University Press, 2002.