APA ציטוט

Krabbe, W. (1993). The SIESTA geographic database: Instruction for its use and maintenance.

Citación estilo Chicago

Krabbe, W.K. The SIESTA Geographic Database: Instruction for Its Use and Maintenance. 1993.

ציטוט MLA

Krabbe, W.K. The SIESTA Geographic Database: Instruction for Its Use and Maintenance. 1993.