Twelvetrees, W. H. (1918). The Bangor Mineral District. John Vail, Govt. Printer.
Chicago Style (17. basım) AtıfTwelvetrees, W. H. The Bangor Mineral District. Hobart: John Vail, Govt. Printer, 1918.
MLA (8th ed.) AtıfTwelvetrees, W. H. The Bangor Mineral District. John Vail, Govt. Printer, 1918.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..