ماخذ: Little Black Bull Book and CD. - I Wonder Where Maria's Gone - It Rained a Mist - The Little Black Bull. Instructional. GI.G-6963.
ترجمه: Little Black Bull Book and CD composed by Jill Trinka. آموزشی. Book & CD. 142 pages. منتشر شده توسط انتشارات GIA. ISBN 1579996205. آموزشی.
