Lawden, D. F. (1967). An introduction to tensor calculus and relativity. Methuen.
Chicago-čujuhus (17. p.)Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. London: Methuen, 1967.
MLA-čujuhus (9. p.)Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. Methuen, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.