Gaya APA
Octavian, A. (2019).
Indonesia Navy, Global Maritime Fulcrum and Asean .
Jakarta:
Indoesia Naval Comand and Saff College.
Gaya MLA
Octavian, Amarulla.
"Indonesia Navy, Global Maritime Fulcrum and Asean".
Jakarta:
Indoesia Naval Comand and Saff College,
2019.
Text.