Gaya APA

Pask, Raymond. (2006). The Blue Marble 1: An Introduction to Geography . Harlow: Pearson Longman.

Gaya Chicago

Pask, Raymond. The Blue Marble 1: An Introduction to Geography. Harlow: Pearson Longman, 2006. Non-fiction.

Gaya MLA

Pask, Raymond. The Blue Marble 1: An Introduction to Geography. Harlow: Pearson Longman, 2006. Non-fiction.

Gaya Turabian

Pask, Raymond. The Blue Marble 1: An Introduction to Geography. Harlow: Pearson Longman, 2006. Non-fiction.