एपीए उद्धरण

Sevenhuysen, R., & Maebe, P. (1995). Hydrology and drainage options Atlantic Zone of Costa Rica.

शिकागो स्टाइल उद्धरण

Sevenhuysen, R., और P. Maebe. Hydrology and Drainage Options Atlantic Zone of Costa Rica. 1995.

एमएलए उद्धरण

Sevenhuysen, R., और P. Maebe. Hydrology and Drainage Options Atlantic Zone of Costa Rica. 1995.