Dyfyniad APA

Duong Thi Hai Yen., Bui Huu Tai., Chau Van Minh., Dan Thi Thuy Hang., Do Cong Thung., Duong Thi Dung., . . . Phan Van Kiem. Sterols from the sponge Haliclona varia.

Dyfyniad Arddull Chicago

Duong Thi Hai Yen., et al. Sterols From the Sponge Haliclona Varia.

Dyfyniad MLA

Duong Thi Hai Yen., et al. Sterols From the Sponge Haliclona Varia.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.