Gaya APA

Kelly, Nigel. (2007). The 20th Century: As It Was Lived 2nd Edition . Harlow: Pearson Longman.

Gaya Chicago

Kelly, Nigel. The 20th Century: As It Was Lived 2nd Edition. Harlow: Pearson Longman, 2007. Non-fiction.

Gaya MLA

Kelly, Nigel. The 20th Century: As It Was Lived 2nd Edition. Harlow: Pearson Longman, 2007. Non-fiction.

Gaya Turabian

Kelly, Nigel. The 20th Century: As It Was Lived 2nd Edition. Harlow: Pearson Longman, 2007. Non-fiction.