APA aipamena

Ashworth, A. (1996). Pre-contract studies: Development economics, tendering and estimating. Longman.

Chicago Style aipamena

Ashworth, Allan. Pre-contract Studies: Development Economics, Tendering and Estimating. Harlow, Essex: Longman, 1996.

MLA aipamena

Ashworth, Allan. Pre-contract Studies: Development Economics, Tendering and Estimating. Longman, 1996.

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