APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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