Gaya APA
Cartledge, B. (1992).
Monitoring the environment : the linarce lectures 1990-91 .
Oxford:
PT.ELEX MEDIA KOMPUTINDO.
Gaya MLA
Cartledge, Bryan.
"Monitoring the environment : the linarce lectures 1990-91".
Oxford:
PT.ELEX MEDIA KOMPUTINDO,
1992.
Text.