Παραπομπή APA

Reissig, R., Sansone, G., Conti, R., Sansone, G., Sansone, G., & Conti, R. (1974). Non-linear differential equations of higher order. Leyden: Noordhoff International Publishing.

Παραπομπή Chicago Style

Reissig, Rolf, Giovanni Sansone, Roberto Conti, Giovanni Sansone, G. Sansone, and R. Conti. Non-linear Differential Equations of Higher Order. Leyden: Noordhoff International Publishing, 1974.

Παραπομπή MLA

Reissig, Rolf, et al. Non-linear Differential Equations of Higher Order. Leyden: Noordhoff International Publishing, 1974.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.