Lua APA (7ú heag.)

Perbadanan Kemajuan Negeri Kedah. (1976). Investment prospects in Kedah. The Corp..

Lua i Stíl Chicago (17ú heag.)

Perbadanan Kemajuan Negeri Kedah. Investment Prospects in Kedah. [Alor Star]: The Corp., 1976.

Lua MLA (8ú heag.)

Perbadanan Kemajuan Negeri Kedah. Investment Prospects in Kedah. The Corp., 1976.

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