APA (7 ম সংস্করণ) উদ্ধৃতি

SMITH, G. W. (1979). Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.