Putney, C. Gogolęs Theology of Privation and the Devil in Ivan Fedorovic Sponka: Christopher Putney. Gogol: exploring absence : negativity in 19th-century Russian literature.(1999).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Putney, Christopher. "Gogolęs Theology of Privation and the Devil in Ivan Fedorovic Sponka: Christopher Putney." Gogol: Exploring Absence : Negativity in 19th-century Russian Literature.(1999) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Putney, Christopher. "Gogolęs Theology of Privation and the Devil in Ivan Fedorovic Sponka: Christopher Putney." Gogol: Exploring Absence : Negativity in 19th-century Russian Literature.(1999), .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.