D. Pieters. (1993). Introduction into the basic principles of social security. Deventer, The Netherlands: Kluwer Law and Taxation.
استشهاد بنمط شيكاغوD. Pieters. Introduction Into the Basic Principles of Social Security. Deventer, The Netherlands: Kluwer Law and Taxation, 1993.
MLA استشهادD. Pieters. Introduction Into the Basic Principles of Social Security. Deventer, The Netherlands: Kluwer Law and Taxation, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.