APA Style
Ahn, Hyeong-Mo. ().
Who? Barack Obama .
:
Gramedia Pustaka Utama.
Chicago Style
Ahn, Hyeong-Mo.
Who? Barack Obama.
:
Gramedia Pustaka Utama,
.
Text.
MLA Style
Ahn, Hyeong-Mo.
Who? Barack Obama.
:
Gramedia Pustaka Utama,
.
Text.
Turabian Style
Ahn, Hyeong-Mo.
Who? Barack Obama.
:
Gramedia Pustaka Utama,
.
Print.