APA ציטוט

STEPHENS RYAN K. (2008). SAMS TEACH YOURSELF SQL IN 21 DAYS. TECHMEDIA.

Chicago Style (17th ed.) Citation

STEPHENS RYAN K. SAMS TEACH YOURSELF SQL IN 21 DAYS. NEW DELHI: TECHMEDIA, 2008.

ציטוט MLA

STEPHENS RYAN K. SAMS TEACH YOURSELF SQL IN 21 DAYS. TECHMEDIA, 2008.