Lua APA (7ú heag.)
NATIONAL RESEARCH COUNCIL. (1994). WORKPLACE DRUG USE DROPS, BUT REASONS ARE NOT YET CLEAR.
Lua i Stíl Chicago (17ú heag.)
NATIONAL RESEARCH COUNCIL. WORKPLACE DRUG USE DROPS, BUT REASONS ARE NOT YET CLEAR. 1994.
Lua MLA (9ú heag.)
NATIONAL RESEARCH COUNCIL. WORKPLACE DRUG USE DROPS, BUT REASONS ARE NOT YET CLEAR. 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.