Lua APA (7ú heag.)

Sapsford, R., & Jupp, V. (2006). Data collection and analysis (2nd ed.). Sage.

Lua i Stíl Chicago (17ú heag.)

Sapsford, Roger, agus Victor Jupp. Data Collection and Analysis. 2nd ed. London: Sage, 2006.

Lua MLA (9ú heag.)

Sapsford, Roger, agus Victor Jupp. Data Collection and Analysis. 2nd ed. Sage, 2006.

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