Gaya APA
hoy, P, C., yanni, R, D.
(2000).
Ecounteers Essay For Exploration and Iquiry
.
Gresik:
McGraw Hill.
Gaya MLA
hoy, Pat, C., yanni, Robert, Di.
"Ecounteers Essay For Exploration and Iquiry".
Gresik:
McGraw Hill,
2000.
Buku Umum.