Gaya APA
Purba, Harapan. (1997).
Standar tes UMPTN 1997 (cet.1).
Jakarta:
SS Press.
Gaya Chicago
Purba, Harapan.
Standar tes UMPTN 1997.
cet.1
Jakarta:
SS Press,
1997.
Printed Book.
Gaya MLA
Purba, Harapan.
Standar tes UMPTN 1997.
cet.1
Jakarta:
SS Press,
1997.
Printed Book.
Gaya Turabian
Purba, Harapan.
Standar tes UMPTN 1997.
cet.1
Jakarta:
SS Press,
1997.
Printed Book.