Gaya APA
Gregor, Hugh. (1976).
Warships (--).
S.n.:
Macmillan Education Ltd.
Gaya Chicago
Gregor, Hugh.
Warships.
--
S.n.:
Macmillan Education Ltd,
1976.
Text.
Gaya MLA
Gregor, Hugh.
Warships.
--
S.n.:
Macmillan Education Ltd,
1976.
Text.
Gaya Turabian
Gregor, Hugh.
Warships.
--
S.n.:
Macmillan Education Ltd,
1976.
Print.