Gaya APA
Letter Writing Book 1. ([s.a.]).
Mesir:
[s.n.].
Gaya Chicago
Letter Writing Book 1.
.
Mesir:
[s.n.],
[s.a.].
Text.
Gaya MLA
Letter Writing Book 1.
.
Mesir:
[s.n.],
[s.a.].
Text.
Gaya Turabian
Letter Writing Book 1.
Mesir:
[s.n.],
[s.a.].
Print.