Gaya APA

Phelps, J, A, M, E., Hofer, M. (2010). CT Teaching Manual A Systematic Approach To CT Reading (Ed 4). German: .

Gaya MLA

Phelps, James, A.Sorenson,, Michael, E.., Hofer, Matthias. "CT Teaching Manual A Systematic Approach To CT Reading". Ed 4 German: , 2010. Text.