Gaya APA
Shermen, J, B, H, ;, R, E, S, ;, D. (1990).
A short history of western civilization volume II: since 1600 (ed. 7).
USA:
Mc Graw Hill.
Gaya MLA
Shermen, John, B., Harrison, ;, Richard, E., Sullivan, ;, Dennis.
"A short history of western civilization volume II: since 1600".
ed. 7
USA:
Mc Graw Hill,
1990.
Text.