APA Style
Samuelson, Paul A.. (s.a).
Economics An Introductory Analysis .
s.l:
Balai Lektur Mahasiswa.
Chicago Style
Samuelson, Paul A..
Economics An Introductory Analysis.
s.l:
Balai Lektur Mahasiswa,
s.a.
Text.
MLA Style
Samuelson, Paul A..
Economics An Introductory Analysis.
s.l:
Balai Lektur Mahasiswa,
s.a.
Text.
Turabian Style
Samuelson, Paul A..
Economics An Introductory Analysis.
s.l:
Balai Lektur Mahasiswa,
s.a.
Print.