Gaya APA
Hardy, Gould, Janet. (2009).
Oxford bookworms library : factfiles : deserts : 1(400 headwords) .
Boston:
RajaGrafindo Persada.
Gaya Chicago
Hardy, Gould, Janet.
Oxford bookworms library : factfiles : deserts : 1(400 headwords).
Boston:
RajaGrafindo Persada,
2009.
Text.
Gaya MLA
Hardy, Gould, Janet.
Oxford bookworms library : factfiles : deserts : 1(400 headwords).
Boston:
RajaGrafindo Persada,
2009.
Text.
Gaya Turabian
Hardy, Gould, Janet.
Oxford bookworms library : factfiles : deserts : 1(400 headwords).
Boston:
RajaGrafindo Persada,
2009.
Print.