Lua APA (7ú heag.)
Gopalakrishnan, P., & Banerji, A. K. (1991). Maintenance and spare parts management: P. Gopalakrishnan; A.K. Banerji. Prentice-hall.
Lua i Stíl Chicago (17ú heag.)
Gopalakrishnan, P., agus A. K. Banerji. Maintenance and Spare Parts Management: P. Gopalakrishnan; A.K. Banerji. New Delhi: Prentice-hall, 1991.
Lua MLA (9ú heag.)
Gopalakrishnan, P., agus A. K. Banerji. Maintenance and Spare Parts Management: P. Gopalakrishnan; A.K. Banerji. Prentice-hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.