MCCULLOUGH COLLSEN. (1978). THRON BIRDS. AVON BOOKS.
Chicago Style aipamenaMCCULLOUGH COLLSEN. THRON BIRDS. NEW YORK: AVON BOOKS, 1978.
MLA aipamenaMCCULLOUGH COLLSEN. THRON BIRDS. AVON BOOKS, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.