parkinson, A. First year Engineering drawing: Covering the first year national certificate course in mechanical engineering.
استشهاد بنمط شيكاغوparkinson, A.C. First Year Engineering Drawing: Covering the First Year National Certificate Course in Mechanical Engineering.
MLA استشهادparkinson, A.C. First Year Engineering Drawing: Covering the First Year National Certificate Course in Mechanical Engineering.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.