Gaya APA
6380. (1).
:
PT Gramedia Pustaka Utama.
Gaya Chicago
6380.
Good Old Secret Seven Gara-gara Teleskop.
:
PT Gramedia Pustaka Utama,
1.
12/C/NVL/074.
Gaya MLA
6380.
Good Old Secret Seven Gara-gara Teleskop.
:
PT Gramedia Pustaka Utama,
1.
12/C/NVL/074.
Gaya Turabian
6380.
:
PT Gramedia Pustaka Utama,
1.
12/C/NVL/074.