Gaya APA
Clarke, MC. (2007).
The Blue Marble 2: More About Geography, Activity Book Normal (Academic) .
Harlow:
Pearson Longman.
Gaya Chicago
Clarke, MC.
The Blue Marble 2: More About Geography, Activity Book Normal (Academic).
Harlow:
Pearson Longman,
2007.
Non-fiction.
Gaya MLA
Clarke, MC.
The Blue Marble 2: More About Geography, Activity Book Normal (Academic).
Harlow:
Pearson Longman,
2007.
Non-fiction.
Gaya Turabian
Clarke, MC.
The Blue Marble 2: More About Geography, Activity Book Normal (Academic).
Harlow:
Pearson Longman,
2007.
Non-fiction.