एपीए उद्धरण

Stein, H., Springer Springer, M., & Kohlmann, B. (2008). Comparison of two sampling methods for biomonitoring using aquatic macroinvertebrates in the Dos Novillos River, Costa Rica.

शिकागो स्टाइल उद्धरण

Stein, Heide, Monika Springer Springer, और Bert Kohlmann. Comparison of Two Sampling Methods for Biomonitoring Using Aquatic Macroinvertebrates in the Dos Novillos River, Costa Rica. 2008.

एमएलए उद्धरण

Stein, Heide, Monika Springer Springer, और Bert Kohlmann. Comparison of Two Sampling Methods for Biomonitoring Using Aquatic Macroinvertebrates in the Dos Novillos River, Costa Rica. 2008.