Johnston, R. (2007). How to play blues guitar: The basics & beyond : lessons & tips from the great players (2nd. ed.). Backbeat Books : Distributed by Hal Leonard.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Johnston, Richard. How to Play Blues Guitar: The Basics & Beyond : Lessons & Tips from the Great Players. 2nd. ed. New York: Backbeat Books : Distributed by Hal Leonard, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Johnston, Richard. How to Play Blues Guitar: The Basics & Beyond : Lessons & Tips from the Great Players. 2nd. ed. Backbeat Books : Distributed by Hal Leonard, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.