Penggayaan APA

LEAVITT, Michael O.. (2003). Research-Based Web Design & Usability Guidelines . Washington DC: GSA.

Chicago Style

LEAVITT, Michael O.. Research-Based Web Design & Usability Guidelines. Washington DC: GSA, 2003. Buku.

MLA Style

LEAVITT, Michael O.. Research-Based Web Design & Usability Guidelines. Washington DC: GSA, 2003. Buku.

Turabian Style

LEAVITT, Michael O.. Research-Based Web Design & Usability Guidelines. Washington DC: GSA, 2003. Buku.