Não informado. (1989). Southwestern entomologist: Supplement. Southwestern Entomological Society.
Citação do estilo Chicago (17ª ed.)Não informado. Southwestern Entomologist: Supplement. Dallas, Tex: Southwestern Entomological Society, 1989.
Citação MLA (8ª ed.)Não informado. Southwestern Entomologist: Supplement. Southwestern Entomological Society, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.