(1720). Some matters of fact relating to the present state of the African trade: Demonstrating that there are not wanting any subscriptions, or new projects, for its support.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Some Matters of Fact Relating to the Present State of the African Trade: Demonstrating That There Are Not Wanting Any Subscriptions, or New Projects, for Its Support. 1720.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Some Matters of Fact Relating to the Present State of the African Trade: Demonstrating That There Are Not Wanting Any Subscriptions, or New Projects, for Its Support. 1720.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.