APA

National Institutes of Health U.S, . (1994). PHS grants policy statement. Rockville, MD: U.S. Dept. of Health and Human Services, Public Health Service.

Chicago

National Institutes of Health U.S, . 1994. PHS grants policy statement. Rockville, MD: U.S. Dept. of Health and Human Services, Public Health Service.

Harvard

National Institutes of Health U.S, . (1994). PHS grants policy statement. Rockville, MD: U.S. Dept. of Health and Human Services, Public Health Service.

MLA

National Institutes of Health U.S, . PHS grants policy statement. Rockville, MD: U.S. Dept. of Health and Human Services, Public Health Service. 1994.