Cita APA (7th ed.)

ebrary, Inc, & Drukker, D. M. (2011). Missing data methods: Cross-sectional methods and applications. Emerald Group Pub..

Cita Chicago (17th ed.)

ebrary, Inc, i David M. Drukker. Missing Data Methods: Cross-sectional Methods and Applications. Bingley [England]: Emerald Group Pub., 2011.

Cita MLA (9th ed.)

ebrary, Inc, i David M. Drukker. Missing Data Methods: Cross-sectional Methods and Applications. Emerald Group Pub., 2011.