Clarke, E., & Curnock, J. (1962). How to prepare effective engineering proposals: A workbook for the proposal writer. Illinois: TW Publishers.
Παραπομπή Chicago StyleClarke, Emerson, and James Curnock. How to Prepare Effective Engineering Proposals: A Workbook for the Proposal Writer. Illinois: TW Publishers, 1962.
Παραπομπή MLAClarke, Emerson, and James Curnock. How to Prepare Effective Engineering Proposals: A Workbook for the Proposal Writer. Illinois: TW Publishers, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.