Weeks, J. R. (1985). The shape of space: How to visualise surfaces and three - dimensional manifolds. Dekker.
استشهاد بنمط شيكاغوWeeks, Jeffrey R. The Shape of Space: How to Visualise Surfaces and Three - Dimensional Manifolds. Dekker, 1985.
MLA استشهادWeeks, Jeffrey R. The Shape of Space: How to Visualise Surfaces and Three - Dimensional Manifolds. Dekker, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.