Gaya APA

Lehman, R, M., C.O, I, C, S. (2010). Creating a sense of presence in online teaching: how to be there for distance learners . San Francisco: .

Gaya MLA

Lehman, Rosemary, M., C.O, I., Conceicao,, Simone. "Creating a sense of presence in online teaching: how to be there for distance learners". San Francisco: , 2010. .