McGraw-Hill & Ayres, F., Jr. (1988). Schaum's outline of theory and problems of differential equations: In SI metric units (SI (metric) ed.). McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)McGraw-Hill και Frank Ayres, Jr. Schaum's Outline of Theory and Problems of Differential Equations: In SI Metric Units. SI (metric) ed. Singapore: McGraw-Hill, 1988.
Παραπομπή σε μορφή MLA (8th εκδ.)McGraw-Hill και Frank Ayres, Jr. Schaum's Outline of Theory and Problems of Differential Equations: In SI Metric Units. SI (metric) ed. McGraw-Hill, 1988.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.