APA Style
John., E, ,.
(1956.).
Grand Strategy V.2 , V5.
.
london.:
Her Majesty \'s stationry office..
MLA Style
John., Ehrman, ,.
"Grand Strategy V.2 , V5.".
london.:
Her Majesty \'s stationry office.,
1956..
หนังสือ (Book).