APA Style

Ober, Scot. Ober, Scot.. (2002). Gregg college keyboarding & document processing lesson 1- 60.-- (Ed. 9.--). America: McGraw-Hill.

Chicago Style

Ober, Scot. Ober, Scot.. Gregg college keyboarding & document processing lesson 1- 60.--. Ed. 9.-- America: McGraw-Hill, 2002. Buku.

MLA Style

Ober, Scot. Ober, Scot.. Gregg college keyboarding & document processing lesson 1- 60.--. Ed. 9.-- America: McGraw-Hill, 2002. Buku.

Turabian Style

Ober, Scot. Ober, Scot.. Gregg college keyboarding & document processing lesson 1- 60.--. Ed. 9.-- America: McGraw-Hill, 2002. Buku.