Dyfyniad APA

Johnson, M. (2010). This book is overdue!: How librarians and cybrarians can save us all. Harper.

Dyfyniad Arddull Chicago

Johnson, Marilyn. This Book Is Overdue!: How Librarians and Cybrarians Can Save Us All. New York: Harper, 2010.

Dyfyniad MLA

Johnson, Marilyn. This Book Is Overdue!: How Librarians and Cybrarians Can Save Us All. Harper, 2010.

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