Borglum, G. P., & Borglum, L. V. (1935). Cours pratique avance; conversation-composition. Harper.
芝加哥风格引文Borglum, George Paul, 与 Lucy Vignal Borglum. Cours Pratique Avance; Conversation-composition. New York: Harper, 1935.
MLA引文Borglum, George Paul, 与 Lucy Vignal Borglum. Cours Pratique Avance; Conversation-composition. Harper, 1935.
警告：这些引文格式不一定是100％准确.