APA ציטוט

Spray, G. H. (1964). Microbiological assay of folic acid activity in human serum.

Citação norma Chicago

Spray, G. H. Microbiological Assay of Folic Acid Activity in Human Serum. 1964.

ציטוט MLA

Spray, G. H. Microbiological Assay of Folic Acid Activity in Human Serum. 1964.