APA Style
Pask, Raymond. (2006).
The Blue Marble 1 An Introduction to Geography .
Singapore:
Pearson Education.
Chicago Style
Pask, Raymond.
The Blue Marble 1 An Introduction to Geography.
Singapore:
Pearson Education,
2006.
Text.
MLA Style
Pask, Raymond.
The Blue Marble 1 An Introduction to Geography.
Singapore:
Pearson Education,
2006.
Text.
Turabian Style
Pask, Raymond.
The Blue Marble 1 An Introduction to Geography.
Singapore:
Pearson Education,
2006.
Print.