Martin, Joan L. Bowling / Joan L. Martin, Ruth E. Tandy, Charlene Agne-Traub. - 6th ed. - Manila : Echanis Press, c1990. - x, 110 pages : illustrations ; 22 cm Includes references : p. 101. ISBN: 9710851969 Subjects--Topical Terms: Bowling LC Class. No.: GV901 / M36 1990