Dyfyniad APA

Janssen, S. (2022). The world almanac and book of facts 2023. World Almanac Books, New York.

Dyfyniad Arddull Chicago

Janssen, Sarah. The World Almanac and Book of Facts 2023. New York: World Almanac Books, New York, 2022.

Dyfyniad MLA

Janssen, Sarah. The World Almanac and Book of Facts 2023. World Almanac Books, New York, 2022.

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