APA Style
LEO, Sutanto. (2016).
English for Professional Tour Guiding Services (Cetakan ke- 1).
Jakarta:
Gramedia Pustaka Utama.
Chicago Style
LEO, Sutanto.
English for Professional Tour Guiding Services.
Cetakan ke- 1
Jakarta:
Gramedia Pustaka Utama,
2016.
Text.
MLA Style
LEO, Sutanto.
English for Professional Tour Guiding Services.
Cetakan ke- 1
Jakarta:
Gramedia Pustaka Utama,
2016.
Text.
Turabian Style
LEO, Sutanto.
English for Professional Tour Guiding Services.
Cetakan ke- 1
Jakarta:
Gramedia Pustaka Utama,
2016.
Print.