Cita APA (7a ed.)

RAVEN A D. (1971). PROFIT IMPROVEMETNT BY VALUE ANALYSIS,VALUE ENG.&PUR.PRICE ANALYSIS. CASSELL.

Cita Chicago Style (17a ed.)

RAVEN A D. PROFIT IMPROVEMETNT BY VALUE ANALYSIS,VALUE ENG.&PUR.PRICE ANALYSIS. LONDON: CASSELL, 1971.

Cita MLA (9a ed.)

RAVEN A D. PROFIT IMPROVEMETNT BY VALUE ANALYSIS,VALUE ENG.&PUR.PRICE ANALYSIS. CASSELL, 1971.