Gaya APA
Scientific Event Alert Network (SEAN) Bulletin Volume 8, No. 6, June 30, 1983. ().
Washington:
Smithsonian National Museum of Natural History.
Gaya MLA
Scientific Event Alert Network (SEAN) Bulletin Volume 8, No. 6, June 30, 1983.
.
Washington:
Smithsonian National Museum of Natural History,
.
.