APA استشهاد

Lord, E. A. (1976). Tensors, relativity and cosmology. Tata Mc Graw - Hill.

استشهاد بنمط شيكاغو

Lord, Eric A. Tensors, Relativity and Cosmology. New Delhi: Tata Mc Graw - Hill, 1976.

MLA استشهاد

Lord, Eric A. Tensors, Relativity and Cosmology. Tata Mc Graw - Hill, 1976.