Gaya APA
Silverman, D, R, W, E, H, J., SILVERMAN, J. ().
Rules Of Thumb: A Guide For Writers .
New York:
Mc Graw Hill.
Gaya MLA
Silverman, Diana, Roberts, Wiembroer,, Elaine, Hughes,, Jay., SILVERMAN, Jay.
"Rules Of Thumb: A Guide For Writers".
New York:
Mc Graw Hill,
.
Text.