Langstaff, J. M., & Rojankovsky, F. (1991). Frog went a-courtin'. Voyager Books.
Lua i Stíl Chicago (17ú heag.)Langstaff, John M., agus Feodor Rojankovsky. Frog Went A-courtin'. Orlando, Fla: Voyager Books, 1991.
Lua MLA (9ú heag.)Langstaff, John M., agus Feodor Rojankovsky. Frog Went A-courtin'. Voyager Books, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.