Cariaso, M., De Lara, A., Cayabyab, B., & Ebuenga, M. (1993). An Abstract bibliography on apple snail. University of the Philippines.
Lua i Stíl Chicago (17ú heag.)Cariaso, M.R, AV De Lara, B.F Cayabyab, agus M.D Ebuenga. An Abstract Bibliography on Apple Snail. Los Baños: University of the Philippines, 1993.
Lua MLA (9ú heag.)Cariaso, M.R, et al. An Abstract Bibliography on Apple Snail. University of the Philippines, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.