Omar Khayyam, FitzGerald, E., & Dole, N. H. (1898). Rubáiyát of Omar Khayyám: English, French, German, Italian, and Danish translations comparatively arranged in accordance with the text of Edward Fitzgerald's version : with further selections, notes, biographies, bibliographies, and other material (Multi-variorum ed.). L.C. Page.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Omar Khayyam, Edward FitzGerald, و Nathan Haskell Dole. Rubáiyát of Omar Khayyám: English, French, German, Italian, and Danish Translations Comparatively Arranged in Accordance with the Text of Edward Fitzgerald's Version : With Further Selections, Notes, Biographies, Bibliographies, and Other Material. Multi-variorum ed. Boston: L.C. Page, 1898.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Omar Khayyam, et al. Rubáiyát of Omar Khayyám: English, French, German, Italian, and Danish Translations Comparatively Arranged in Accordance with the Text of Edward Fitzgerald's Version : With Further Selections, Notes, Biographies, Bibliographies, and Other Material. Multi-variorum ed. L.C. Page, 1898.