Gaya APA
Samuelson, Paul A. (1997).
Ekonomics, 12th Edition (XI).
Surabaya:
Erlangga.
Gaya Chicago
Samuelson, Paul A.
Ekonomics, 12th Edition.
XI
Surabaya:
Erlangga,
1997.
Buku Teks.
Gaya MLA
Samuelson, Paul A.
Ekonomics, 12th Edition.
XI
Surabaya:
Erlangga,
1997.
Buku Teks.
Gaya Turabian
Samuelson, Paul A.
Ekonomics, 12th Edition.
XI
Surabaya:
Erlangga,
1997.
Buku Teks.