Lua APA (7ú heag.)

GOPALAKRISHNAN, P. (1992). Purchasing And Materials Management P. Gopalakrishnan. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

GOPALAKRISHNAN, P. Purchasing And Materials Management P. Gopalakrishnan. McGraw-Hill, 1992.

Lua MLA (8ú heag.)

GOPALAKRISHNAN, P. Purchasing And Materials Management P. Gopalakrishnan. McGraw-Hill, 1992.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.