Jokela, M. (1975). Book, film, telivision: An international comparison of national self-suficiency in three media. Institute of Journalism and Mass Communication.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jokela, Mikko. Book, Film, Telivision: An International Comparison of National Self-suficiency in Three Media. [finland]: Institute of Journalism and Mass Communication, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Jokela, Mikko. Book, Film, Telivision: An International Comparison of National Self-suficiency in Three Media. Institute of Journalism and Mass Communication, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.