Kerrod,Robin. (1998). Alam sekitar. Federal publications sdn.bhd..
Chicago Style (17th ed.) CitationKerrod,Robin. Alam Sekitar. Kuala lumpur: Federal publications sdn.bhd., 1998.
MLA (9th ed.) CitationKerrod,Robin. Alam Sekitar. Federal publications sdn.bhd., 1998.
Warning: These citations may not always be 100% accurate.