Sala, C., & Friedrich, C. D. (1994). Caspar David Friedrich and romantic painting. Terrail.
Chicagoスタイル(17版)引用形式Sala, Charles, , Caspar David Friedrich. Caspar David Friedrich and Romantic Painting. Paris: Terrail, 1994.
MLA(9版)引用形式Sala, Charles, , Caspar David Friedrich. Caspar David Friedrich and Romantic Painting. Terrail, 1994.
警告: この引用は必ずしも正確ではありません.