Lua APA (7ú heag.)

Callen, A. (1982). Techniques of the impressionists. Orbis.

Lua i Stíl Chicago (17ú heag.)

Callen, Anthea. Techniques of the Impressionists. London: Orbis, 1982.

Lua MLA (8ú heag.)

Callen, Anthea. Techniques of the Impressionists. Orbis, 1982.

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