AWANGGA, S. N. (2007). Desain proposal penelitian. Pyramid Publisher.
Cita Chicago (17th ed.)AWANGGA, Suryaputra N. Desain Proposal Penelitian. Pyramid Publisher, 2007.
Cita MLA (9th ed.)AWANGGA, Suryaputra N. Desain Proposal Penelitian. Pyramid Publisher, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.