APA

Obolewski K., . (2017). The Ecological Status of the Southern Baltic Coastal Lakes. Warsaw: Polish Scientific Publishers PWN.

Chicago

Obolewski Krystian, . 2017. The Ecological Status of the Southern Baltic Coastal Lakes. Warsaw: Polish Scientific Publishers PWN.

Harvard

Obolewski K., . (2017). The Ecological Status of the Southern Baltic Coastal Lakes. Warsaw: Polish Scientific Publishers PWN.

MLA

Obolewski Krystian, . The Ecological Status of the Southern Baltic Coastal Lakes. Warsaw: Polish Scientific Publishers PWN. 2017.