Dyfyniad APA

Brown, L. R., Lenssen, N. K., Kane, H., & Starke, L. (1995). Vital signs: The trends that are shaping our future, 1995. W.W. Norton & company.

Dyfyniad Arddull Chicago

Brown, Lester Russell, Nicholas K. Lenssen, Hal Kane, and Linda Starke. Vital Signs: The Trends That Are Shaping Our Future, 1995. London: W.W. Norton & company, 1995.

Dyfyniad MLA

Brown, Lester Russell, et al. Vital Signs: The Trends That Are Shaping Our Future, 1995. W.W. Norton & company, 1995.

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