Παραπομπή APA

Houwen, V. D. (1977). Construction of integration formulas for initial value problems. North - Holland.

Παραπομπή Chicago Style

Houwen, Van Der. Construction of Integration Formulas for Initial Value Problems. Amsterdam: North - Holland, 1977.

Παραπομπή MLA

Houwen, Van Der. Construction of Integration Formulas for Initial Value Problems. North - Holland, 1977.