United States National Museum. Bulletin. (1941). Contributions to the biology of the Philippine Archipelago and adjacent Regions. Government Printing Office.
Citazione stile Chigago Style (17a edizione)United States National Museum. Bulletin. Contributions to the Biology of the Philippine Archipelago and Adjacent Regions. Washington: Government Printing Office, 1941.
Citatione MLA (9a ed.)United States National Museum. Bulletin. Contributions to the Biology of the Philippine Archipelago and Adjacent Regions. Government Printing Office, 1941.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.