Não informado. (1969). Insects of Virginia. Virginia State University, Polytechnic Institute, Research Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Insects of Virginia. Blacksburg, Va: Virginia State University, Polytechnic Institute, Research Division, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Insects of Virginia. Virginia State University, Polytechnic Institute, Research Division, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.