APA ציטוט

Humble, J. W. (1967). Improving business results (Mc graw hill series in management.). McGraw Hill.

Chicago Edition Citation

Humble, John W. Improving Business Results. Mc graw hill series in management. England: McGraw Hill, 1967.

ציטוט MLA

Humble, John W. Improving Business Results. Mc graw hill series in management. McGraw Hill, 1967.