Lawden, D. F. (1967). An introduction to tensor calculus and relativity. Methuen.
Cita Chicago (17th ed.)Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. London: Methuen, 1967.
Cita MLA (9th ed.)Lawden, Derek F. An Introduction to Tensor Calculus and Relativity. Methuen, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.