Dyfyniad APA

ebrary, Inc, & Lichtenstein, R. (2002). How to prepare for and respond to a crisis (2nd ed.). Association for Supervision and Curriculum Development.

Dyfyniad Arddull Chicago

ebrary, Inc, and Robert Lichtenstein. How to Prepare for and Respond to a Crisis. 2nd ed. Alexandria, Va.: Association for Supervision and Curriculum Development, 2002.

Dyfyniad MLA

ebrary, Inc, and Robert Lichtenstein. How to Prepare for and Respond to a Crisis. 2nd ed. Association for Supervision and Curriculum Development, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.