Gaya APA
Patchett,Lynne. (1990).
Clean Air Dirty Air .
London:
A&C Black.
Gaya Chicago
Patchett,Lynne.
Clean Air Dirty Air.
London:
A&C Black,
1990.
Text Book.
Gaya MLA
Patchett,Lynne.
Clean Air Dirty Air.
London:
A&C Black,
1990.
Text Book.
Gaya Turabian
Patchett,Lynne.
Clean Air Dirty Air.
London:
A&C Black,
1990.
Text Book.