Gaya APA
W.Thackeray, F., E.Findling, J. (1999).
Events That Changed The World In The Seventeeth Century .
London:
greenwood press.
Gaya MLA
W.Thackeray, Frank., E.Findling, John.
"Events That Changed The World In The Seventeeth Century".
London:
greenwood press,
1999.
Text.