Παραπομπή σε μορφή APA (7η εκδ.)

Howes, F. A. (1976). Singular perturbations and differential inequalities. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Howes, Frederick A. Singular Perturbations and Differential Inequalities. Providence: American Mathematical Society, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Howes, Frederick A. Singular Perturbations and Differential Inequalities. American Mathematical Society, 1976.