Hunter, S. C. (1963). English, German, Spanish relations in the Sulu question, 1871-1877. publisher not identified.
Chicago-referens (17:e uppl.)Hunter, Stephen Carl. English, German, Spanish Relations in the Sulu Question, 1871-1877. [Place of publication not identified: publisher not identified, 1963.
MLA-referens (9:e uppl.)Hunter, Stephen Carl. English, German, Spanish Relations in the Sulu Question, 1871-1877. publisher not identified, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.