Dyfyniad APA

LAKEIN ALAN. (1974). HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. SIGNET BOOK.

Dyfyniad Arddull Chicago

LAKEIN ALAN. HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. NEW YORK: SIGNET BOOK, 1974.

Dyfyniad MLA

LAKEIN ALAN. HOW TO GET CONTROL OF YOUR TIME & YOUR LIFE. SIGNET BOOK, 1974.

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