Hill, L. A. (1969). Teachers' guide to picture composition book ([5th. imp.].). London: Longman.
Citación estilo ChicagoHill, Leslie A. Teachers' Guide to Picture Composition Book. [5th. imp.]. London: Longman, 1969.
Cita MLAHill, Leslie A. Teachers' Guide to Picture Composition Book. [5th. imp.]. London: Longman, 1969.
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