Gaya APA
Howard, M.
(2007).
First World War, The: A Very Short Introduction
.
Hoboken, NJ:
OReilly.
Gaya MLA
Howard, Michael.
"First World War, The: A Very Short Introduction".
Hoboken, NJ:
OReilly,
2007.
GEN - Bacaan/Seri Non-Fiksi.