Gaya APA
Scientific Event Alert Network (SEAN) Bulletin Volume 9, No. 7, July 31, 1984. ().
Washington:
Smithsonian National Museum of Natural History.
Gaya MLA
Scientific Event Alert Network (SEAN) Bulletin Volume 9, No. 7, July 31, 1984.
.
Washington:
Smithsonian National Museum of Natural History,
.
.