Gaya APA
Information please almanac 1959. (1958).
New York:
Macmillan Publishing.
Gaya Chicago
Information please almanac 1959.
.
New York:
Macmillan Publishing,
1958.
Buku.
Gaya MLA
Information please almanac 1959.
.
New York:
Macmillan Publishing,
1958.
Buku.
Gaya Turabian
Information please almanac 1959.
New York:
Macmillan Publishing,
1958.
Buku.