Gaya APA
Biggs, Alton et..al. (2016).
Oklahoma Biology .
United States America:
McGraw Hill Eucation.
Gaya Chicago
Biggs, Alton et..al.
Oklahoma Biology.
United States America:
McGraw Hill Eucation,
2016.
Buku.
Gaya MLA
Biggs, Alton et..al.
Oklahoma Biology.
United States America:
McGraw Hill Eucation,
2016.
Buku.
Gaya Turabian
Biggs, Alton et..al.
Oklahoma Biology.
United States America:
McGraw Hill Eucation,
2016.
Buku.