Multiple regression in practice Sage university papers series. Quantitative applications in the social sciences ; ; no. 07 - 050 by Berry William Dale. Copyright Year: 1985 ISBN-13: 9780803920545 Available format(s): Classic Audio Log in to read What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.