APA aipamena

Hanson Rice, & Johnson Ober. (2000). Gregg College Keyboarding and Document Processing: Lessons 61-120, By Ober, 9th Edition. American: McGraw Hill/Irwin.

Chicago Style aipamena

Hanson Rice, và Johnson Ober. Gregg College Keyboarding and Document Processing: Lessons 61-120, By Ober, 9th Edition. American: McGraw Hill/Irwin, 2000.

MLA aipamena

Hanson Rice, và Johnson Ober. Gregg College Keyboarding and Document Processing: Lessons 61-120, By Ober, 9th Edition. American: McGraw Hill/Irwin, 2000.