Gaya APA
Pugel, Thomas. (2020).
International economics (17th Edition).
New York:
McGrawhill.
Gaya Chicago
Pugel, Thomas.
International economics.
17th Edition
New York:
McGrawhill,
2020.
Buku.
Gaya MLA
Pugel, Thomas.
International economics.
17th Edition
New York:
McGrawhill,
2020.
Buku.
Gaya Turabian
Pugel, Thomas.
International economics.
17th Edition
New York:
McGrawhill,
2020.
Buku.