Gaya APA
Rubin, G.
(2019).
The Four Tendencies
.
Haupapauge, New York, AS.:
PT Gramedia Pustaka Utama.
Gaya MLA
Rubin, Gretchen.
"The Four Tendencies".
Haupapauge, New York, AS.:
PT Gramedia Pustaka Utama,
2019.
Text.