William D. Perreault, J., & McCarthy, E. J. (1971). Learning Aid for use with.
Lua i Stíl Chicago (17ú heag.)William D. Perreault, Jr, agus E. Jerome McCarthy. Learning Aid for Use with. 1971.
Lua MLA (9ú heag.)William D. Perreault, Jr, agus E. Jerome McCarthy. Learning Aid for Use with. 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.