Lloyd, A. C., & Hosler, R. J. (1959). Personal typing: An intensive training course and reference manual for writers, students, and all others who wish to learn quickly how to type their own work. New York: McGraw-Hill Book Company.

Lloyd, Alan C., và Russell J. Hosler. Personal Typing: An Intensive Training Course and Reference Manual for Writers, Students, and All Others Who Wish to Learn Quickly How to Type Their Own Work. New York: McGraw-Hill Book Company, 1959.

Lloyd, Alan C., và Russell J. Hosler. Personal Typing: An Intensive Training Course and Reference Manual for Writers, Students, and All Others Who Wish to Learn Quickly How to Type Their Own Work. New York: McGraw-Hill Book Company, 1959.