Cita APA (7th ed.)

Baltazar, J. (1990). Water sanitation and diarrhea: Comparison of case control and prospective methodologies. s.n.].

Cita Chicago (17th ed.)

Baltazar, Jane. Water Sanitation and Diarrhea: Comparison of Case Control and Prospective Methodologies. [S.l: s.n.], 1990.

Cita MLA (9th ed.)

Baltazar, Jane. Water Sanitation and Diarrhea: Comparison of Case Control and Prospective Methodologies. s.n.], 1990.