Twelvetrees, W. H., & Ward, L. K. (1909). Geological examination of the Zeehan field: Preliminary statement. John Vail, Govt. Printer.
Lua i Stíl Chicago (17ú heag.)Twelvetrees, W. H., agus L. Keith Ward. Geological Examination of the Zeehan Field: Preliminary Statement. Hobart: John Vail, Govt. Printer, 1909.
Lua MLA (8ú heag.)Twelvetrees, W. H., agus L. Keith Ward. Geological Examination of the Zeehan Field: Preliminary Statement. John Vail, Govt. Printer, 1909.
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