Guthrie, W., & Knox, J. (1770). A new geographical, historical, and commercial grammar: And present state of the several kingdoms of the world. J. Knox.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guthrie, William, و John Knox. A New Geographical, Historical, and Commercial Grammar: And Present State of the Several Kingdoms of the World. London: J. Knox, 1770.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Guthrie, William, و John Knox. A New Geographical, Historical, and Commercial Grammar: And Present State of the Several Kingdoms of the World. J. Knox, 1770.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.