Steers, J. A. (1965). An Introduction to the study of map projections (14th ed.). Univ. of London Pr..
Cita Chicago (17th ed.)Steers, J. A. An Introduction to the Study of Map Projections. 14th ed. London: Univ. of London Pr., 1965.
Cita MLA (9th ed.)Steers, J. A. An Introduction to the Study of Map Projections. 14th ed. Univ. of London Pr., 1965.
Atenció: Aquestes cites poden no estar 100% correctes.