Gaya APA

Lougheed, L. (1984). Reading In Focus: An Advanced Reader For Academic Purposes (Ed. Revisi). Lougheed Lin: English Teaching Division Bureau Of Educational and Cultural Affairs U.S. Information Agency.

Gaya MLA

Lougheed, Lin. "Reading In Focus: An Advanced Reader For Academic Purposes". Ed. Revisi Lougheed Lin: English Teaching Division Bureau Of Educational and Cultural Affairs U.S. Information Agency, 1984. .