Gaya APA
MitchelT.Keller, , WilliamT.Trotter, (2017).
Applied Combinatorics (2017).
Mountain View,USA:
Creative Commons.
Gaya MLA
MitchelT.Keller, ., WilliamT.Trotter, .
"Applied Combinatorics".
2017
Mountain View,USA:
Creative Commons,
2017.
Buku Pelajaran.