Gaya APA
UNKNOW, M, T.
(1987).
MYSTERIES of the unknown (III) :
.
AlAlexandrea, Virginia :
Time-Life Books.
Gaya MLA
UNKNOW, MYSTERIESOF, THE.
"MYSTERIES of the unknown (III) :".
AlAlexandrea, Virginia :
Time-Life Books,
1987.
Buku.