Diettrich, S. d. [. o. c. (1961). The Philippine Islands. N. Doubleday.
芝加哥风格引文Diettrich, Sigismond deR. [from old catalog]. The Philippine Islands. Garden City, N.Y: N. Doubleday, 1961.
MLA引文Diettrich, Sigismond deR. [from old catalog]. The Philippine Islands. N. Doubleday, 1961.
警告：这些引文格式不一定是100％准确.