Lua APA (7ú heag.)

Baily, P. (1977). Purchasing principles & techniques (3rd.). Pitman.

Lua i Stíl Chicago (17ú heag.)

Baily, Peter. Purchasing Principles & Techniques. 3rd. London: Pitman, 1977.

Lua MLA (9ú heag.)

Baily, Peter. Purchasing Principles & Techniques. 3rd. Pitman, 1977.

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