Gaya APA
Frye, Curtis D. (2015).
Microsoft excel 2013: step by step .
USA:
Microsoft Corporation.
Gaya Chicago
Frye, Curtis D.
Microsoft excel 2013: step by step.
USA:
Microsoft Corporation,
2015.
Buku.
Gaya MLA
Frye, Curtis D.
Microsoft excel 2013: step by step.
USA:
Microsoft Corporation,
2015.
Buku.
Gaya Turabian
Frye, Curtis D.
Microsoft excel 2013: step by step.
USA:
Microsoft Corporation,
2015.
Buku.