Παραπομπή σε μορφή APA (7η εκδ.)

Agarwal, R. P., O'Regan, D., & Wong, P. J. Y. (1999). Positive solutions of differential, difference and integral equations. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Agarwal, Ravi P., Donal O'Regan, και Patricia J. Y. Wong. Positive Solutions of Differential, Difference and Integral Equations. Dordrecht: Kluwer Academic Publishers, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Agarwal, Ravi P., et al. Positive Solutions of Differential, Difference and Integral Equations. Kluwer Academic Publishers, 1999.