APA (7e ed.) Bronvermelding

Leopando, G. A., Ramos, F. O., Berico, E. O., Oliquino, A. B., Gedaria, C. V., Corderro, M. S., . . . Batongbakal, A. D. (2007). Differential equations. [publisher not identified].

Chicago (17e ed.) Bronvermelding

Leopando, Gabriel A., et al. Differential Equations. [Place of publication not identified]: [publisher not identified], 2007.

MLA (9e ed.) Bronvermelding

Leopando, Gabriel A., et al. Differential Equations. [publisher not identified], 2007.