Gaya APA

/Achmad Doddy, Ahmad Sugeng, Effendi. (2008). Developing english competencies 2: for Senior High School (SMA/MA) grade XI . Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional.

Gaya Chicago

/Achmad Doddy, Ahmad Sugeng, Effendi. Developing english competencies 2: for Senior High School (SMA/MA) grade XI. Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional, 2008. Electronic Resource.

Gaya MLA

/Achmad Doddy, Ahmad Sugeng, Effendi. Developing english competencies 2: for Senior High School (SMA/MA) grade XI. Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional, 2008. Electronic Resource.

Gaya Turabian

/Achmad Doddy, Ahmad Sugeng, Effendi. Developing english competencies 2: for Senior High School (SMA/MA) grade XI. Jakarta: Pusat Perbukuan, Departemen Pendidikan Nasional, 2008. Electronic Resource.