Cita APA (7th ed.)

Widicus, W. W., & Stitzel, T. E. (1980). Personal investing (3a. ed.). Richard D. Irwin.

Cita Chicago (17th ed.)

Widicus, Wilbur W., i Thomas E. Stitzel. Personal Investing. 3a. ed. Homewood: Richard D. Irwin, 1980.

Cita MLA (9th ed.)

Widicus, Wilbur W., i Thomas E. Stitzel. Personal Investing. 3a. ed. Richard D. Irwin, 1980.