Gaya APA
Len, Evelyn, Yue, P.S.. (1988).
Secondary 1 vocabulary guide & practice .
Singapore:
Preston Corporation LTD.
Gaya Chicago
Len, Evelyn, Yue, P.S..
Secondary 1 vocabulary guide & practice.
Singapore:
Preston Corporation LTD,
1988.
Text.
Gaya MLA
Len, Evelyn, Yue, P.S..
Secondary 1 vocabulary guide & practice.
Singapore:
Preston Corporation LTD,
1988.
Text.
Gaya Turabian
Len, Evelyn, Yue, P.S..
Secondary 1 vocabulary guide & practice.
Singapore:
Preston Corporation LTD,
1988.
Print.