Gaya APA

Saputra., S, A, D, S, D, H, E., C.Schroeder, R. (2000). Pemerintahan amerika serikat/ Richard C.Schroeder (Cet.1). : United States Department Of State.

Gaya MLA

Saputra., Sumantri, Ar., Dianthus, Saputra., Dyah, Hestu., Eddy., C.Schroeder, Richard. "Pemerintahan amerika serikat/ Richard C.Schroeder". Cet.1 : United States Department Of State, 2000. Text.