National Gallery of Art <Washington, DC>, & Walker, J. (1995). National Gallery of Art, Washington: By John Walker National Gallery of Art, Washington (New and revised ed.). Abrams.
Čikaški stil citiranja (17. izdanje)National Gallery of Art <Washington, DC>, i John Walker. National Gallery of Art, Washington: By John Walker National Gallery of Art, Washington. New and revised ed. New York: Abrams, 1995.
MLA način citiranja (8. izdanje)National Gallery of Art <Washington, DC>, i John Walker. National Gallery of Art, Washington: By John Walker National Gallery of Art, Washington. New and revised ed. Abrams, 1995.
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