Gaya APA
Hartami, B. (2011).
An Analysis of Phrasal Verbs in World Columns of Time Magazines .
:
Universitas Muhammadiyah Sumatera Utara.
Gaya MLA
Hartami, Baihaqi.
"An Analysis of Phrasal Verbs in World Columns of Time Magazines".
:
Universitas Muhammadiyah Sumatera Utara,
2011.
Text.