APA ציטוט

Griggs, G. B. (1977). The earth and land use planning. Duxbury.

Chicago Style (17th ed.) Citation

Griggs, Gary B. The Earth and Land Use Planning. North Scituate: Duxbury, 1977.

ציטוט MLA

Griggs, Gary B. The Earth and Land Use Planning. Duxbury, 1977.