Gaya APA
Lang, Tan Teng. (1991).
Singapore the year in review 1990 .
Singapore:
Time Academic Press.
Gaya Chicago
Lang, Tan Teng.
Singapore the year in review 1990.
Singapore:
Time Academic Press,
1991.
Text.
Gaya MLA
Lang, Tan Teng.
Singapore the year in review 1990.
Singapore:
Time Academic Press,
1991.
Text.
Gaya Turabian
Lang, Tan Teng.
Singapore the year in review 1990.
Singapore:
Time Academic Press,
1991.
Print.