Penggayaan APA

Olson, JUdith F. (2009). Writing skills : success in 20 Minutes a day . Newyork: Learning xpress.

Chicago Style

Olson, JUdith F. Writing skills : success in 20 Minutes a day. Newyork: Learning xpress, 2009. Text.

MLA Style

Olson, JUdith F. Writing skills : success in 20 Minutes a day. Newyork: Learning xpress, 2009. Text.

Turabian Style

Olson, JUdith F. Writing skills : success in 20 Minutes a day. Newyork: Learning xpress, 2009. Print.