Stryker, S. B., & Leaver, B. L. (1997). Content-based instruction in foreign language education: Models and methods. Georgetown University Press.

Stryker, Stephen B., and Betty Lou Leaver. Content-based Instruction in Foreign Language Education: Models and Methods. Washington, D.C.: Georgetown University Press, 1997.

Stryker, Stephen B., and Betty Lou Leaver. Content-based Instruction in Foreign Language Education: Models and Methods. Georgetown University Press, 1997.