Style de citation APA (7e éd.)

BARRA RALPH. (1983). PUTTING QUALITY CIRCLES TO WORK: A PRACTICAL STRATEGY FOR BOOSTING PRODUCTIVITY & PROFITS. MCGRAW-HILL.

Style de citation Chicago (17e éd.)

BARRA RALPH. PUTTING QUALITY CIRCLES TO WORK: A PRACTICAL STRATEGY FOR BOOSTING PRODUCTIVITY & PROFITS. LONDON: MCGRAW-HILL, 1983.

Style de citation MLA (9e éd.)

BARRA RALPH. PUTTING QUALITY CIRCLES TO WORK: A PRACTICAL STRATEGY FOR BOOSTING PRODUCTIVITY & PROFITS. MCGRAW-HILL, 1983.