Gaya APA
Singapore Industrial Directory The Green Handbook. ().
Singapore:
Promedia International PTE LTD.
Gaya Chicago
Singapore Industrial Directory The Green Handbook.
.
Singapore:
Promedia International PTE LTD,
.
Text.
Gaya MLA
Singapore Industrial Directory The Green Handbook.
.
Singapore:
Promedia International PTE LTD,
.
Text.
Gaya Turabian
Singapore Industrial Directory The Green Handbook.
Singapore:
Promedia International PTE LTD,
.
Print.