Παραπομπή σε μορφή APA (7η εκδ.)

DUTTA, B. N. (2012). Estimating and costing in civil engineering: : theory and practice, including specifications and valuations. UBS Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

DUTTA, B. N. Estimating and Costing in Civil Engineering: : Theory and Practice, Including Specifications and Valuations. UBS Publishers, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

DUTTA, B. N. Estimating and Costing in Civil Engineering: : Theory and Practice, Including Specifications and Valuations. UBS Publishers, 2012.