Gaya APA

VAUGHN, T, S, J, D, L. (2011). HOW TO THINK ABOUT WEIRD THINGS . NEW YORK: McGraw Hill.

Gaya MLA

VAUGHN, THEODORE, SCHICK,, JR, DAN, LEWIS. "HOW TO THINK ABOUT WEIRD THINGS". NEW YORK: McGraw Hill, 2011. Text.