Pritulenko, P. (1980). Plane figures and sections: How to construct them given specefic conditions. Mir publishers.
استشهاد بنمط شيكاغوPritulenko, P.V. Plane Figures and Sections: How to Construct Them Given Specefic Conditions. Moscow: Mir publishers, 1980.
MLA استشهادPritulenko, P.V. Plane Figures and Sections: How to Construct Them Given Specefic Conditions. Mir publishers, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.