Cita APA (7th ed.)
Welch, P. (2000). MICROBIAL quality of water in rural cmmunities of Trinidad.
Cita Chicago (17th ed.)
Welch, Pedro. MICROBIAL Quality of Water in Rural Cmmunities of Trinidad. 2000.
Cita MLA (9th ed.)
Welch, Pedro. MICROBIAL Quality of Water in Rural Cmmunities of Trinidad. 2000.
Atenció: Aquestes cites poden no estar 100% correctes.