Cita APA (7th ed.)

GUTHRIE, H. W. (1966). Statistical methods in economics. Richard D. Irwin.

Cita Chicago (17th ed.)

GUTHRIE, Harold W. Statistical Methods in Economics. Homewood: Richard D. Irwin, 1966.

Cita MLA (9th ed.)

GUTHRIE, Harold W. Statistical Methods in Economics. Richard D. Irwin, 1966.