Guthrie, M. R., & Mearl R. Guthrie; Carolyn V. Norwood. Alphabetic indexing. Cincinnati: South-Western Educational Pub.

Guthrie, Mearl R., و Mearl R. Guthrie; Carolyn V. Norwood. Alphabetic Indexing. Cincinnati: South-Western Educational Pub.

Guthrie, Mearl R., و Mearl R. Guthrie; Carolyn V. Norwood. Alphabetic Indexing. Cincinnati: South-Western Educational Pub.