Gaya APA
Purba, Michael. (2002).
Kimia 1a (2002) .
Jakarta:
Erlangga.
Gaya Chicago
Purba, Michael.
Kimia 1a (2002).
Jakarta:
Erlangga,
2002.
Printed Book.
Gaya MLA
Purba, Michael.
Kimia 1a (2002).
Jakarta:
Erlangga,
2002.
Printed Book.
Gaya Turabian
Purba, Michael.
Kimia 1a (2002).
Jakarta:
Erlangga,
2002.
Printed Book.