APA
Sarkar A. K., . (1971). Fluorescent whitening agents. Merrow publ., England: .
Chicago
Sarkar A K, . 1971. Fluorescent whitening agents. Merrow publ., England: .
Harvard
Sarkar A. K., . (1971). Fluorescent whitening agents. Merrow publ., England: .
MLA
Sarkar A K, . Fluorescent whitening agents. Merrow publ., England: . 1971.