Cita APA (7th ed.)

Agarwal, R. P., O'Regan, D., & Wong, P. J. Y. Positive Solutions of Differential, Difference and Integral Equations. Springer International Publishing.

Cita Chicago (17th ed.)

Agarwal, Ravi P., Donal O'Regan, i Patricia J. Y. Wong. Positive Solutions of Differential, Difference and Integral Equations. Cham: Springer International Publishing.

Cita MLA (8th ed.)

Agarwal, Ravi P., et al. Positive Solutions of Differential, Difference and Integral Equations. Springer International Publishing.