Campbell, W. C. (1951). From the quarries of Last Chance Gulch; a "news-history" of Helena and its Masonic lodges: Compiled from the files of Helena newspapers ... plus some personal research ([1st ed.].). Priv. published by the author; Montana Record Pub. Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Campbell, William C. From the Quarries of Last Chance Gulch; a "News-history" of Helena and Its Masonic Lodges: Compiled from the Files of Helena Newspapers ... Plus Some Personal Research. [1st ed.]. Helena: Priv. published by the author; Montana Record Pub. Co, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Campbell, William C. From the Quarries of Last Chance Gulch; a "News-history" of Helena and Its Masonic Lodges: Compiled from the Files of Helena Newspapers ... Plus Some Personal Research. [1st ed.]. Priv. published by the author; Montana Record Pub. Co, 1951.