Gaya APA
THE BLUE MARBLE 2 : AN INTRODUCTION TO GEOGRAPHY ACTIVITY BOOK NORMAL(ACADEMIC). (2007).
SINGAPORE:
PEARSON EDUCATION SOUTH ASIA.
Gaya MLA
THE BLUE MARBLE 2 : AN INTRODUCTION TO GEOGRAPHY ACTIVITY BOOK NORMAL(ACADEMIC).
.
SINGAPORE:
PEARSON EDUCATION SOUTH ASIA,
2007.
Text.