Gaya APA

Getis, Arthur, Getis, Judith, Fellmann, Jerome D. (2000). Introduction to Geography, Seventh Edition (7th Ed.). USA: McGrawhill.

Gaya Chicago

Getis, Arthur, Getis, Judith, Fellmann, Jerome D. Introduction to Geography, Seventh Edition. 7th Ed. USA: McGrawhill, 2000. Text.

Gaya MLA

Getis, Arthur, Getis, Judith, Fellmann, Jerome D. Introduction to Geography, Seventh Edition. 7th Ed. USA: McGrawhill, 2000. Text.

Gaya Turabian

Getis, Arthur, Getis, Judith, Fellmann, Jerome D. Introduction to Geography, Seventh Edition. 7th Ed. USA: McGrawhill, 2000. Print.