DARWIN, C. (1958). The Origin Of Species; By Means Of Natural Selestion Or The Preservation Of Favoured Races In The Struggler For Life/charles Darwin. A Mentor Book.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)DARWIN, Charles. The Origin Of Species; By Means Of Natural Selestion Or The Preservation Of Favoured Races In The Struggler For Life/charles Darwin. A Mentor Book, 1958.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)DARWIN, Charles. The Origin Of Species; By Means Of Natural Selestion Or The Preservation Of Favoured Races In The Struggler For Life/charles Darwin. A Mentor Book, 1958.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.