APA Style

Pask, Raymond. (2006). The Blue Marble 1 Teacher's Resource File . Singapore: Pearson Longman.

Chicago Style

Pask, Raymond. The Blue Marble 1 Teacher's Resource File. Singapore: Pearson Longman, 2006. Text.

MLA Style

Pask, Raymond. The Blue Marble 1 Teacher's Resource File. Singapore: Pearson Longman, 2006. Text.

Turabian Style

Pask, Raymond. The Blue Marble 1 Teacher's Resource File. Singapore: Pearson Longman, 2006. Print.