Gaya APA
/Achmad Doddy, Ahmad Sugeng, Effendi. (2008).
Developing english competencies 1: for Senior High School (SMA/MA) grade X .
Jakarta:
Pusat Perbukuan, Departemen Pendidikan Nasional.
Gaya Chicago
/Achmad Doddy, Ahmad Sugeng, Effendi.
Developing english competencies 1: for Senior High School (SMA/MA) grade X.
Jakarta:
Pusat Perbukuan, Departemen Pendidikan Nasional,
2008.
Electronic Resource.
Gaya MLA
/Achmad Doddy, Ahmad Sugeng, Effendi.
Developing english competencies 1: for Senior High School (SMA/MA) grade X.
Jakarta:
Pusat Perbukuan, Departemen Pendidikan Nasional,
2008.
Electronic Resource.
Gaya Turabian
/Achmad Doddy, Ahmad Sugeng, Effendi.
Developing english competencies 1: for Senior High School (SMA/MA) grade X.
Jakarta:
Pusat Perbukuan, Departemen Pendidikan Nasional,
2008.
Electronic Resource.