Li, B. (2018). Prof. Francesco Puma: Learning is like rowing upstream—not to advance is to drop back. J Thorac Dis.
Chicago Style citaatLi, Brad. "Prof. Francesco Puma: Learning Is Like Rowing Upstream—not to Advance Is to Drop Back." J Thorac Dis 2018.
MLA citatieLi, Brad. "Prof. Francesco Puma: Learning Is Like Rowing Upstream—not to Advance Is to Drop Back." J Thorac Dis 2018.
Let op: Deze citaties zijn niet altijd 100% accuraat.