Gaya APA
Nicolson, Iain. (1992).
The Universe (Horus).
London:
Horus Editions.
Gaya Chicago
Nicolson, Iain.
The Universe.
Horus
London:
Horus Editions,
1992.
Buku.
Gaya MLA
Nicolson, Iain.
The Universe.
Horus
London:
Horus Editions,
1992.
Buku.
Gaya Turabian
Nicolson, Iain.
The Universe.
Horus
London:
Horus Editions,
1992.
Buku.