APA-ийн эшлэл(7 дахь хэвлэлт)

LEARNER'S PRESS PVT. LTD. (2000). THE JUNIOR LIBRARY OF ECOLOGY: CONSERVATION OF THE SEA. LEARNER'S PRESS PVT. LTD.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

LEARNER'S PRESS PVT. LTD. THE JUNIOR LIBRARY OF ECOLOGY: CONSERVATION OF THE SEA. NEW DELHI: LEARNER'S PRESS PVT. LTD, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

LEARNER'S PRESS PVT. LTD. THE JUNIOR LIBRARY OF ECOLOGY: CONSERVATION OF THE SEA. LEARNER'S PRESS PVT. LTD, 2000.