Bernstein, L. (1979). Teacher's manual earth science (2ª ed.). Prentice Hall.
Citación estilo ChicagoBernstein, Leonard. Teacher's Manual Earth Science. 2ª ed. Prentice Hall, 1979.
Cita MLABernstein, Leonard. Teacher's Manual Earth Science. 2ª ed. Prentice Hall, 1979.
Warning: These citations may not always be 100% accurate.