Villee, C. A., Solomon, E. P., & Davis, P. W. (1985). Biology. Saunders College Publishing.
Chicago Style (17th ed.) CitationVillee, Claude A., Eldra Pearl Solomon, and P. William Davis. Biology. Philadelphia: Saunders College Publishing, 1985.
MLA (9th ed.) CitationVillee, Claude A., et al. Biology. Saunders College Publishing, 1985.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.