Chriss, M., & Hayes, G. R. (1964). An introduction to charts and their use (3a. ed.). Brown and Ferguson.
Cita Chicago (17th ed.)Chriss, M., i G. R. Hayes. An Introduction to Charts and Their Use. 3a. ed. Glasgow: Brown and Ferguson, 1964.
Cita MLA (9th ed.)Chriss, M., i G. R. Hayes. An Introduction to Charts and Their Use. 3a. ed. Brown and Ferguson, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.