Fong, E. N., Gersting, J., Kinsley, K., McDonald, N., North, J., Sastry, M., & Stull, E. (1988). Reference model for DBMS user facility. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology.

Fong, Elizabeth N., John Gersting, Kate Kinsley, Nancy McDonald, John North, Mark Sastry, and Edward Stull. Reference Model for DBMS User Facility. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1988.

Fong, Elizabeth N., et al. Reference Model for DBMS User Facility. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1988.