ELLIOTT, B., & GOULDING, R. (1986). The new! improved! bab and ray book. McGraw-Hill.

ELLIOTT, Bob, and Ray GOULDING. The New! Improved! Bab and Ray Book. New York: McGraw-Hill, 1986.

ELLIOTT, Bob, and Ray GOULDING. The New! Improved! Bab and Ray Book. McGraw-Hill, 1986.