Gaya APA
Jay, S. et al (2006).
Rules of Thumb : A Guide for Writers (seventh Edition).
London,Boston:
Society For Research Into Higher Education & Open University Press.
Gaya MLA
Jay, Silverman. et al.
"Rules of Thumb : A Guide for Writers".
seventh Edition
London,Boston:
Society For Research Into Higher Education & Open University Press,
2006.
Text.