Gaya APA

Grubbs, Bruce. (2014). Basic Illustrated Using GPS (Third Edition). Guilford: Falcon Guides.

Gaya Chicago

Grubbs, Bruce. Basic Illustrated Using GPS. Third Edition Guilford: Falcon Guides, 2014. BUKU.

Gaya MLA

Grubbs, Bruce. Basic Illustrated Using GPS. Third Edition Guilford: Falcon Guides, 2014. BUKU.

Gaya Turabian

Grubbs, Bruce. Basic Illustrated Using GPS. Third Edition Guilford: Falcon Guides, 2014. BUKU.